[1] Univ Hosp Wurzburg, Comprehens Heart Failure Ctr, D-97078 Wurzburg, Germany
[2] Univ Hosp Wurzburg, Dept Med 1, D-97078 Wurzburg, Germany
[3] Univ Wurzburg, Inst Clin Epidemiol & Biometry, D-97078 Wurzburg, Germany
[4] Univ Hosp Wurzburg, Clin Trial Ctr Wurzburg, D-97078 Wurzburg, Germany
[5] Univ Hosp Leipzig, Dept Med & Cardiol, Leipzig, Germany
[6] Univ Hosp Leipzig, Ctr Heart, Leipzig, Germany
[7] Univ Hosp Gottingen, Dept Cardiol, Gottingen, Germany
[8] Univ Med Berlin, Charite Campus Virchow Klinikum, Dept Internal Med, Cardiol, Berlin, Germany
[9] Univ Hosp Gottingen, Dept Cardiol, Gottingen, Germany
[10] Tech Univ Munich, German Heart Ctr Munich, D-80290 Munich, Germany
[11] Univ Hosp Lubeck, Dept Med 2, Lubeck, Germany
[12] Saarland Univ Hosp, Dept Med 3, Homburg, Saar, Germany
[13] Heidelberg Univ, Acad Teaching Hosp, Theresienkrankenhaus, Dept Cardiol, Heidelberg, Germany
[14] Univ Heart Ctr Hamburg, Hamburg, Germany
[15] Univ Hosp Marburg, Dept Cardiol, Marburg, Germany
[16] Univ Leipzig, Clin Trial Ctr Leipzig, D-04109 Leipzig, Germany
[17] Klinikum Nurnberg, Univ Hosp Nurnberg, Dept Cardiol, Nurnberg, Germany
[18] Univ Wurzburg, Ctr Mental Hlth, Dept Med Psychol Med Sociol & Rehabil Sci, D-97078 Wurzburg, Germany
[19] Univ Hosp Wurzburg, Ctr Mental Hlth, Dept Psychiat Psychosomat Med & Psychotherapy, D-97078 Wurzburg, Germany