Christoffer Johansen
Clinical Professor
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eHealth-mind the gap
Holländer-mieritz, C., Johansen, Christoffer & Pappot, Helle, 2 Aug 2020, In: Acta Oncologica. 59, 8, p. 877-878 2 p.Research output: Contribution to journal › Editorial › Research › peer-review
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Whose perspective is it anyway? Dilemmas of patient involvement in the development of a randomized clinical trial – a qualitative study
Høeg, B. L., Tjørnhøj-Thomsen , T., Skaarup, J. A., Langstrup, Henriette, Zoffmann, Vibeke, Saltbæk, L., Karlsen, R. V., Dalton, S. O., Johansen, Christoffer & Bidstrup, P. E., 2019, In: Acta Oncologica. 58, 5, p. 634-641 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Who participates in a randomized trial of mindfulness-based stress reduction (MBSR) after breast cancer? A study of factors associated with enrollment among Danish breast cancer patients
Würtzen, H., Dalton, Susanne Oksbjerg, Andersen, Klaus Kaae, Elsass, P., Flyger, H. L., Sumbundu, A. D. & Johansen, Christoffer, 2013, In: Psycho-Oncology. 22, 5, p. 1180-1185 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Using general practitioners to recruit individuals with low socioeconomic position to preventive health checks is feasible: a cross sectional study
Kamstrup-larsen, N., Dalton, Susanne Oksbjerg, Broholm-jørgensen, M., Larsen, L. B., Thomsen, J. L., Johansen, Christoffer & Tolstrup, J. S., 2019, In: Scandinavian Journal of Primary Health Care. 37, 3, p. 294-301Research output: Contribution to journal › Journal article › Research › peer-review
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Use of hypnotics among women diagnosed with cervical cancer – A population-based cohort study
Horsbøl, T. A., Kjær, Susanne Krüger, Andersen, E. W., Ammitzbøll, G., Thygesen, L. C., Johansen, Christoffer, Jensen, P. T., Frøding, L. P., Lajer, H. & Dalton, Susanne Oksbjerg, 2022, In: Gynecologic Oncology. 166, 2, p. 300-307Research output: Contribution to journal › Journal article › Research › peer-review
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Use of baseline and updated information on alcohol intake on risk for breast cancer: importance of latency
Thygesen, L. C., Mørch, L. S., Keiding, N., Johansen, Christoffer & Grønbaek, M., 2008, In: International Journal of Epidemiology. 37, 3, p. 669-77 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Use of Sedatives, Antidepressants and Antipsychotic Medicine among Seventh-day Adventists and Baptists in Denmark
Rasmussen, P., Johansen, Christoffer, Hvidt, N. C., Kørup, A. K., Søndergaard, J. & Thygesen, L. C., Oct 2017, In: Journal of Religion and Health. 56, 5, p. 1553–1560 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Uncovering causal clues in the development of second primary cancers - Authors' reply
Kjaer, T. K., Johansen, Christoffer & Dalton, Susanne Oksbjerg, 2024, In: The Lancet. Oncology. 25, 3, p. e98 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Treatment intensity and survival in patients with relapsed or refractory diffuse large B-cell lymphoma in Denmark: A real-life populationbased study
Arboe, B., Olsen, M. H., Gørløv, J. S., Duun-Henriksen, A. K., Dalton, Susanne Oksbjerg, Johansen, Christoffer & Brown, Peter de Nully, 2019, In: Clinical Epidemiology. 11, p. 207-216 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Transcriptome-wide association study identifies new candidate susceptibility genes for glioma
Atkins, I., Kinnersley, B., Ostrom, Q. T., Labreche, K., Il'yasova, D., Armstrong, G. N., Eckel-Passow, J. E., Schoemaker, M. J., Nothen, M. M., Barnholtz-Sloan, J. S., Swerdlow, A. J., Simon, M., Rajaraman, P., Chanock, S. J., Shildkraut, J., Bernstein, J. L., Hoffmann, P., Jockel, K. H., Lai, R. K., Claus, E. B. & 8 others, , 2019, In: Cancer Research. 79, 8, p. 2065-2071Research output: Contribution to journal › Journal article › Research › peer-review
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Total burden of disease in cancer patients at diagnosis—a Danish nationwide study of multimorbidity and redeemed medication
Loeppenthin, K., Dalton, Susanne Oksbjerg, Johansen, Christoffer, Andersen, E., Christensen, Mikkel Bring, Pappot, Helle, Petersen, L. N., Thisted, L. B., Frølich, A., Mortensen, C. E., Lassen, Ulrik Niels, Ørsted, J. & Bidstrup, P. E., 15 Sep 2020, In: British Journal of Cancer. 123, 6, p. 1033-1040 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Time trends in mobile phone use and glioma incidence among males in the Nordic Countries, 1979–2016
Deltour, I., Poulsen, A. H., Johansen, Christoffer, Feychting, M., Johannesen, T. B., Auvinen, A. & Schüz, J., 2022, In: Environment International. 168, 10 p., 107487.Research output: Contribution to journal › Journal article › Research › peer-review
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Ti anbefalinger til kræftpatienter til understøttelse af sundhedsfremme og patientrettet forebyggelse
Midtgaard, Julie, Johansen, Christoffer, Lysdahl, S. H., Thisted, L. B., Ankersen, L., Birtø, K., Vadstrup, E. M. S. & Tjønneland, Anne, 23 Jan 2017, In: Ugeskrift for Laeger. 179, 5, p. 2-6 5 p., V06160425.Research output: Contribution to journal › Journal article › Research › peer-review
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The risk of being depressed is significantly higher in cancer patients than in the general population: Prevalence and severity of depressive symptoms across major cancer types
Hartung, T. J., Brähler, E., Faller, H., Härter, M., Hinz, A., Johansen, Christoffer, Keller, M., Koch, U., Schulz, H., Weis, J. & Mehnert, A., 2017, In: European Journal of Cancer. 72, p. 46-53Research output: Contribution to journal › Journal article › Research › peer-review
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The long-term burden of a symptom cluster and association with longitudinal physical and emotional functioning in breast cancer survivors
Ebbestad, F. E., Ammitzboll, G., Horsboll, T. A., Andersen, Ingelise, Johansen, Christoffer, Zehran, B. & Dalton, Susanne Oksbjerg, 2023, In: Acta Oncologica. 62, 7, p. 706-713 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The impact of a breast cancer diagnosis on health-related quality of life. A prospective comparison among middle-aged to elderly women with and without breast cancer
Karlsen, R. V., Frederiksen, K., Larsen, M. B., von Heymann-Horan, A. B., Appel, C. W., Christensen, J., Tjønneland, Anne, Ross, L., Johansen, Christoffer & Bidstrup, Pernille Envold Hansen, Jun 2016, In: Acta Oncologica. 55, 6, p. 720-727 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The iBLAD study: patient-reported outcomes in bladder cancer during oncological treatment: a multicenter national randomized controlled trial
Taarnhøj, G. A., Johansen, Christoffer, Carus, A., Dahlrot, R. H., Dohn, L. H., Hjøllund, N. H., Knudsen, Mark Bech, Tolver, Anders, Lindberg, H. & Pappot, Helle, 2023, In: Journal of Patient-Reported Outcomes. 7, 1, 13 p., 99.Research output: Contribution to journal › Journal article › Research › peer-review
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The effects of individually tailored nurse navigation for patients with newly diagnosed breast cancer: a randomized pilot study
Mertz, B. G., Dunn-Henriksen, A. K., Kroman, Niels Thorndahl, Johansen, Christoffer, Andersen, K. G., Andersson, M., Mathiesen, U. B., Vibe-Petersen, J., Dalton, S. O. & Envold Bidstrup, P., Dec 2017, In: Acta Oncologica. 56, 12, p. 1682-1689 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effectiveness of general practice-based health checks on health behaviour and incidence on non-communicable diseases in individuals with low socioeconomic position: A randomised controlled trial in Denmark
Kamstrup-Larsen, N., Dalton, Susanne Oksbjerg, Grønbæk, M., Broholm-Jørgensen, M., Thomsen, J. L., Bruun Larsen, L., Johansen, Christoffer & Tolstrup, J., 2019, In: BMJ Open. 9, 9, 11 p., e029180.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of an attachment-oriented couple intervention for breast cancer patients and partners in the early treatment phase: A randomised controlled trial
Nicolaisen, A., Hagedoorn, M., Hansen, D. G., Flyger, H. L., Christensen, R., Rottmann, N., Lunn, P. B., Terp, H., Soee, K. & Johansen, Christoffer, 2018, In: Psycho-Oncology. 27, 3, p. 922-928Research output: Contribution to journal › Journal article › Research › peer-review
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The development and initial validation of the Breast Cancer Recurrence instrument (BreastCaRe)-a patient-reported outcome measure for detecting symptoms of recurrence after breast cancer
Hoeg, B. L., Saltbaek, L., Christensen, Karl Bang, Karlsen, R. V., Johansen, Christoffer, Dalton, Susanne Oksbjerg, Bennett, A. & Bidstrup, Pernille Envold Hansen, 2021, In: Quality of Life Research. 30, p. 2671–2682 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The association between education and risk of major cardiovascular events among prostate cancer patients: a study from the Diet, Cancer and Health study
Moustsen, I. R., Friberg, A. S., Larsen, S. B., Duun-Henriksen, A. K., Tjønneland, Anne, Kjær, Susanne Krüger, Brasso, K., Johansen, Christoffer & Dalton, Susanne Oksbjerg, 2019, In: Acta Oncologica. 58, 5, p. 715-721 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The association between education and fear of recurrence among breast cancer patients in follow-up–and the mediating effect of self-efficacy
Larsen, C., Kirchhoff, K. S., Saltbæk, L., Thygesen, L. C., Karlsen, R. V., Svendsen, M. N., Høeg, B. L., Horsbøl, T. A., Bidstrup, P. E., Christensen, H. G., Johansen, Christoffer & Dalton, Susanne Oksbjerg, 2023, In: Acta Oncologica. 62, 7, p. 714-718 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Mental Vulnerability Questionnaire: a psychometric evaluation
Eplov, L. F., Petersen, Janne, Jørgensen, T., Johansen, Christoffer, Birket-Smith, M., Lyngberg, A. C. & Mortensen, Erik Lykke, Dec 2010, In: Scandinavian Journal of Psychology. 51, 6, p. 548-54 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Intracranial Distribution of Gliomas in Relation to Exposure From Mobile Phones: Analyses From the INTERPHONE Study
Grell, K., Frederiksen, K., Schüz, J., Cardis, E., Armstrong, B., Siemiatycki, J., Krewski, D. R., McBride, M. L., Johansen, C., Auvinen, A., Hours, M., Blettner, M., Sadetzki, S., Lagorio, S., Yamaguchi, N., Woodward, A., Tynes, T., Feychting, M., Fleming, S. J., Swerdlow, A. J. & 1 others, , 1 Dec 2016, In: American Journal of Epidemiology. 184, 11, p. 818-828 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Hospital Anxiety and Depression Scale (HADS) and the 9-item Patient Health Questionnaire (PHQ-9) as screening instruments for depression in patients with cancer
Hartung, T. J., Friedrich, M., Johansen, Christoffer, Wittchen, H., Faller, H., Koch, U., Brähler, E., Härter, M., Keller, M., Schulz, H., Wegscheider, K., Weis, J. & Mehnert, A., 2017, In: Cancer. 123, 21, p. 4236-4243Research output: Contribution to journal › Journal article › Research › peer-review
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The Glioma International Case-Control Study: A Report From the Genetic Epidemiology of Glioma International Consortium
Amirian, E. S., Armstrong, G. N., Zhou, R., Lau, C. C., Claus, E. B., Barnholtz-Sloan, J. S., Il'yasova, D., Schildkraut, J., Ali-Osman, F., Sadetzki, S., Johansen, C., Houlston, R. S., Jenkins, R. B., Lachance, D. H., Olson, S. H., Bernstein, J. L., Merrell, R. T., Wrensch, M. R., Davis, F. G., Lai, R. & 13 others, , 15 Jan 2016, In: American Journal of Epidemiology. 183, 2, p. 85-91 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Generalized Anxiety Disorder Screener (GAD-7) and the anxiety module of the Hospital and Depression Scale (HADS-A) as screening tools for generalized anxiety disorder among cancer patients
Esser, P., Hartung, T. J., Friedrich, M., Johansen, Christoffer, Wittchen, H., Faller, H., Koch, U., Härter, M., Keller, M., Schulz, H., Wegscheider, K., Weis, J. & Mehnert, A., 2018, In: Psycho-Oncology. 27, 6, p. 1509-1516Research output: Contribution to journal › Journal article › Research › peer-review
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The DOMUS study protocol: a randomized clinical trial of accelerated transition from oncological treatment to specialized palliative care at home
Nordly, M., Benthien, K. S., Von Der Maase, H., Johansen, Christoffer, Kruse, M., Timm, H. U., Vadstrup, E. S., Kurita, G. P., von Heymann-Horan, A. B. & Sjøgren, P., 2014, In: B M C Palliative Care. 13, p. 44Research output: Contribution to journal › Journal article › Research › peer-review
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Tailored nurse navigation for women treated for breast cancer: Design and rationale for a pilot randomized controlled trial
Envold Bidstrup, P., Mertz, B. G., Kroman, Niels Thorndahl, Andersson, M., Mathiesen, U. B., Vibe-Petersen, J., Dalton, S. O. & Johansen, Christoffer, 2016, In: Acta Oncologica. 55, 9-10, p. 1239-1243 5 p.Research output: Contribution to journal › Letter › Research › peer-review
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TEDDI: radiotherapy delivery in deep inspiration for pediatric patients - a NOPHO feasibility study
Lundgaard, A. Y., Hjalgrim, L. L., Rechner, L. A., Josipovic, Mirjana, Joergensen, M., Aznar, M. C., Berthelsen, A. K., Borgwardt, L., Johansen, Christoffer, Loft, A., Safwat, A. A., Vaalavirta, L., Specht, Lena & Maraldo, M. V., 2018, In: Radiation Oncology. 13, p. 1-6 56.Research output: Contribution to journal › Journal article › Research › peer-review
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Søvn og Sundhed
Jennum, Poul, Bonke, J., Clark, A. J., Flyvbjerg, A., Garde, A. H., Hermansen, K., Johansen, Christoffer, Møller, Morten, Rod, Naja Hulvej, Sjödin, Anders Mikael & Zachariae, B., 2015, København: Vidensråd for Forebyggelse. 221 p.Research output: Book/Report › Report › Commissioned › peer-review
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Systematic use of patient reported outcome during radiotherapy for head and neck cancer: study protocol for the national DAHANCA 38 trial
Holländer-mieritz, C., Johansen, J., Taarnhøj, G. A., Johansen, Christoffer, Vogelius, Ivan R. , Kristensen, C. A. & Pappot, Helle, 3 May 2020, In: Acta Oncologica. 59, 5, p. 603-607 4 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Systematic fast-track transition from oncological treatment to dyadic specialized palliative home care: DOMUS – a randomized clinical trial
Nordly, M., Skov Benthien, K., Vadstrup, E. S., Kurita, G. P., von Heymann-Horan, A. B., von der Maase, H., Johansen, Christoffer, Timm, H., Kjellberg, J. & Sjøgren, P., 2019, In: Palliative Medicine. 33, 2, p. 135-149Research output: Contribution to journal › Journal article › Research › peer-review
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Swallowing therapy and progressive resistance training in head and neck cancer patients undergoing radiotherapy treatment: randomized control trial protocol and preliminary data
Hajdú, S. F., Wessel, Irene , Johansen, Christoffer, Kristensen, C. A., Kadkhoda, Z. T., Plaschke, C. C. & Dalton, S. O., Feb 2017, In: Acta Oncologica. 56, 2, p. 354-359 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Swallowing Exercise During Head and Neck Cancer Treatment: Results of a Randomized Trial
Hajdú, S. F., Wessel, Irene , Dalton, Susanne Oksbjerg, Eskildsen, S. J. & Johansen, Christoffer, 2022, In: Dysphagia. 37, p. 749–762Research output: Contribution to journal › Journal article › Research › peer-review
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Survivorship – the situation room
Dalton, Susanne Oksbjerg & Johansen, Christoffer, 2023, In: Acta Oncologica. 62, 7, p. 673-675 3 p.Research output: Contribution to journal › Editorial › Research › peer-review
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Survivorship in new harbors
Johansen, Christoffer & Dalton, S. O., Feb 2017, In: Acta Oncologica. 56, 2, p. 119-122 4 p.Research output: Contribution to journal › Editorial › Research
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Survival of glioma patients in relation to mobile phone use in Denmark, Finland and Sweden
Olsson, A., Bouaoun, L., Auvinen, A., Feychting, M., Johansen, Christoffer, Mathiesen, Tiit Illimar, Melin, B., Lahkola, A., Larjavaara, S., Villegier, A., Byrnes, G., Deltour, I. & Schüz, J., Jan 2019, In: Journal of Neuro-Oncology. 141, 1, p. 139-149 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Survival After Early-Stage Breast Cancer of Women Previously Treated for Depression: A Nationwide Danish Cohort Study
Suppli, N. P., Johansen, Christoffer, Kessing, Lars Vedel, Toender, A., Kroman, Niels Thorndahl, Ewertz, M. & Dalton, S. O., 2017, In: Journal of Clinical Oncology. 35, 3, p. 334-342Research output: Contribution to journal › Journal article › Research › peer-review
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Sunde mennesker er dyre
Andersen, M. M., Dalton, Susanne Oksbjerg & Johansen, Christoffer, 9 Mar 2012, In: Weekendavisen.Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication
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Study protocol: Rehabilitation including social and physical activity and education in children and teenagers with cancer (RESPECT)
Thorsteinsson, Troels, Helms, A. S., Adamsen, L., Andersen, L. B., Andersen, K. V., Christensen, Karl Bang, Halse, H., Heilmann, C., Hejgaard, N., Johansen, Christoffer, Madsen, M., Madsen, S. A., Simovska, V., Strange, B., Thing, L. F., Wehner, P. S., Schmiegelow, K. & Larsen, H. B., 2013, In: B M C Cancer. 13, 1, 7 p., 544.Research output: Contribution to journal › Journal article › Research › peer-review
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Study designs may influence results: the problems with questionnaire-based case-control studies on the epidemiology of glioma
Johansen, Christoffer, Schüz, J., Andreasen, A. S. & Dalton, S. O., 2017, In: B J C. 116, 7, p. 841-848Research output: Contribution to journal › Review › Research › peer-review
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Stability and Priority of Symptoms and Symptom Clusters Among Allogeneic HSCT Patients Within a 5-Year Longitudinal Study
Esser, P., Kuba, K., Scherwath, A., Johansen, Christoffer, Schwinn, A., Schirmer, L., Schulz-Kindermann, F., Kruse, M., Koch, U., Zander, A. R., Kröger, N., Götze, H. & Mehnert, A., 2017, In: Journal of Pain and Symptom Management. 54, 4, p. 493-500Research output: Contribution to journal › Journal article › Research › peer-review
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Spectrum and prevalence of genetic predisposition in medulloblastoma: a retrospective genetic study and prospective validation in a clinical trial cohort
Waszak, S. M., Northcott, P. A., Buchhalter, I., Robinson, G. W., Sutter, C., Groebner, S., Grund, K. B., Brugières, L., Jones, D. T. W., Pajtler, K. W., Morrissy, A. S., Kool, M., Sturm, D., Chavez, L., Ernst, A., Brabetz, S., Hain, M., Zichner, T., Segura-Wang, M., Weischenfeldt, J. & 67 others, , 2018, In: The Lancet Oncology. 19, 6, p. 785-798 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socioeconomic position, referral and attendance to rehabilitation after a cancer diagnosis: A population-based study in Copenhagen, Denmark 2010-2015
Dalton, Susanne Oksbjerg, Olsen, M. H., Moustsen, I. R., Andersen, C. W., Vibe-Petersen, J. & Johansen, Christoffer, 2019, In: Acta Oncologica. 58, 5, p. 730-736 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socioeconomic position and survival after lung cancer: Influence of stage, treatment and comorbidity among Danish patients with lung cancer diagnosed in 2004-2010
Dalton, S. O., Steding-Jessen, M., Jakobsen, E., Mellemgaard, A., Østerlind, K., Schüz, J. & Johansen, Christoffer, May 2015, In: Acta Oncologica. 54, 5, p. 797-804 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socioeconomic position and survival after cervical cancer: influence of cancer stage, comorbidity and smoking among Danish women diagnosed between 2005 and 2010
Ibfelt, E. H., Kjær, Susanne Krüger, Høgdall, Claus Kim, Steding-Jessen, M., Kjær, T. K., Osler, Merete, Johansen, Christoffer, Frederiksen, K. & Dalton, Susanne Oksbjerg, 2013, In: B J C. 109, 9, p. 2489-2495 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socioeconomic position and surgery for early-stage non-small-cell lung cancer: A population-based study in Denmark
Kærgaard Starr, L., Osler, Merete, Steding-Jessen, M., Lidegaard Frederiksen, B., Jakobsen, E. W., Østerlind, K., Schüz, J., Johansen, Christoffer & Oksbjerg Dalton, S., 2013, In: Lung Cancer. 79, 3, p. 262-9 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socioeconomic position and mortality among patients with prostate cancer: influence of mediating factors
Larsen, S. B., Brasso, K., Christensen, J., Johansen, Christoffer, Tjønneland, A., Friis, S., Iversen, P. & Dalton, S. O., Apr 2017, In: Acta Oncologica. 56, 4, p. 563-568 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Study protocol: Rehabilitation including social and physical activity and education in children and teenagers with cancer (RESPECT)
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Feasibility and acceptability of electronic symptom surveillance with clinician feedback using the Patient-Reported Outcomes version of Common Terminology Criteria for Adverse Events (PRO-CTCAE) in Danish prostate cancer patients
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Effectiveness of community-based football compared to usual care in men with prostate cancer: Protocol for a randomised, controlled, parallel group, multicenter superiority trial (The FC Prostate Community Trial)
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