[1] Cologne University Hospital,Department of Internal Medicine I, Faculty of Medicine
[2] University of Cologne,Department of Clinical Psychology and Psychotherapy, Faculty of Human Sciences
[3] University of Cologne,University of Cologne, Faculty of Medicine and University Hospital Cologne
[4] Institute of Medical Sociology Health Services Research,University of Cologne
[5] and Rehabilitation Science,Institute for Health Economics and Clinical Epidemiology (IGKE), Faculty of Medicine
[6] Faculty of Human Sciences & Faculty of Medicine and University Hospital Cologne,Institute of Medical Statistics and Computational Biology, Faculty of Medicine
[7] Institute of Medical Sociology Health Services Research,Department of Computer Science (Medical Informatics)
[8] and Rehabilitation Science,undefined
[9] University of Cologne,undefined
[10] University Hospital Cologne,undefined
[11] University of Cologne,undefined
[12] University of Applied Sciences and Arts Dortmund,undefined
[13] Krebsgesellschaft Nordrhein-Westfalen E.V,undefined
[14] House of the Cancer Patient Support Associations of Germany,undefined
[15] PIOH Köln - Praxis Internistischer Onkologie Und Hämatologie,undefined
[16] GFO Kliniken Troisdorf,undefined
[17] Johanna-Etienne-Krankenhaus gGmbH,undefined
[18] Kliniken Maria Hilf GmbH,undefined