[1] Hannover Med Sch, Comprehens Canc Ctr Hannover, Carl Neuberg Str 1, D-30625 Hannover, Germany
[2] Hannover Med Sch, Med Sociol Unit, D-30625 Hannover, Germany
[3] Ludwig Maximilians Univ Hosp, Dept Psychiat & Psychotherapy, D-80336 Munich, Germany
[4] Hannover Med Sch, Dept Psychiat & Psychotherapy, D-30625 Hannover, Germany
[5] Univ Hosp, Dept Psychiat Psychosomat Med & Psychotherapy, D-60590 Frankfurt, Germany
[6] Carl von Ossietzky Univ Oldenburg, Pius Hosp Oldenburg, Dept Hematol & Oncol, D-26121 Oldenburg, Germany
[7] Univ Hosp Erlangen, Dept Dermatol, D-91054 Erlangen, Germany
[8] Comprehens Canc Ctr Erlangen EMN CCC ER EMN, D-91054 Erlangen, Germany
[9] Karl Jaspers Hosp, Dept Psychiat, D-26160 Oldenburg, Germany
[10] Friedrichstadt Gen Hosp, Dept Gen Visceral & Thorac Surg, D-01067 Dresden, Germany
[11] Univ Hosp, Dept Psychiat & Psychotherapy, D-53127 Bonn, Germany
[12] Univ Hosp, Dept Resp Med & Allergol, D-60590 Frankfurt, Germany
[13] Asklepios Tumorzentrum, Dept Hematol Oncol Palliat Care & Rheumatol, D-22763 Hamburg, Germany
[14] Univ Hosp, Dept Hematol & Oncol, D-01307 Dresden, Germany
[15] Tech Univ Munich TUM, Dept Radiat Oncol, Klinikum Rechts Isar, D-81675 Munich, Germany