[1] Charite Univ Med Berlin, Charitepl 1, D-10117 Berlin, Germany
[2] Free Univ Berlin, Charitepl 1, D-10117 Berlin, Germany
[3] Humboldt Univ, Charitepl 1, D-10117 Berlin, Germany
[4] Berlin Inst Hlth, Charite Comprehens Canc Ctr, Charitepl 1, D-10117 Berlin, Germany
[5] Univ Cologne, Med Fac, Dept Psychosomat & Psychotherapy, Cologne, Germany
[6] Univ Cologne, Univ Clin, Cologne, Germany
[7] Greifswald Univ Med, Inst Med Psychol, Greifswald, Germany
[8] Univ Hosp Erlangen, Dept Psychosomat Med & Psychotherapy, Erlangen, Germany
[9] Univ Wurzburg, Comprehens Canc Ctr Mainfranken, Dept Med Psychol & Psychotherapy, Wurzburg, Germany
[10] Univ Bonn, Univ Hosp Bonn, Dept Psychosomat Med & Psychotherapy, Bonn, Germany
[11] Ulm Univ Clin, Dept Psychosomat Med & Psychotherapy, Comprehens Canc Ctr Ulm CCCU, Ulm, Germany
[12] Univ Clin Ctr Dresden, Comprehens Canc Ctr, Dresden, Germany
[13] Univ Hosp Wurzburg, Div Med Psychosomat, Wurzburg, Germany
[14] Paracelsus Med Univ, Gen Hosp Nuremberg, Dept Psychosomat Med & Psychotherapy, Nurnberg, Germany
[15] Univ Duisburg Essen, Comprehens Canc Ctr Essen WTZ, Dept Psychosomat Med & Psychotherapy, Essen, Germany
[16] Univ Duisburg Essen, LVR Hosp, Essen, Germany
[17] Univ Clin Ctr Tubingen, Comprehens Canc Ctr, Tubingen, Germany
[18] Univ Freiburg, Fac Med, Comprehens Canc Ctr, Dept Self Help Res, Freiburg, Germany
[19] Univ Freiburg, Med Ctr, Freiburg, Germany