University of Tuebingen, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Tuebingen, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Tuebingen, Faculty of Medicine, Institute for Clinical Epidemiology and Applied Biometry, Klinikum-Fulda gAG - Department of Psychiatry and Psychotherapy, University of Cologne, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Duisburg-Essen, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Bonn, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Marburg, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Duesseldorf, Faculty of Medicine, Department of Psychiatry and Psychotherapy, Goethe University Frankfurt - Department of Psychiatry and Psychotherapy, University of Wuppertal, University of Tuebingen, Faculty of Medicine, Department of Psychiatry and Psychotherapy, University of Tuebingen, Faculty of Medicine, Department of Psychiatry and Psychotherapy and University of Duesseldorf, Faculty of Medicine, Department of Psychiatry and Psychotherapy

University of Würzburg - Department of Internal Medicine II, University of Freiburg - Medical Center, Ulm University, University of Tuebingen, Faculty of Medicine, Institute for Clinical Epidemiology and Applied Biometry, University of Regensburg, University of Oldenburg, University of Hanover, Robert-Bosch-Hospital, Ulm University, Munich Schwabing Hospital, Otto-von-Guericke-Universität Magdeburg, Charite-Oncology Centre, Red Cross Hospital, Munich, University Hospital Grosshadern, Technische Universität München (TUM), Universitätsmedizin Mainz, Klinikum Bremen Mitte, University of Rostock, University of Munster, University of Greifswald - University Hospital Greifswald, Martin Luther University of Halle-Wittenberg, Zentrum Innere Medizin, Dr. Horst-Schmidt-Klinik, University of Würzburg - Department of Internal Medicine II, Charité - Universitätsmedizin Berlin, Ernst von Bergmann Hospital, Bolzano Municipal Hospital, Ulm University, Schleswig-Holstein University - University Hospital Center, Stauferklinikum Schwäbisch Gmünd, University of Tübingen - University Hospitals Tübingen, University of Würzburg - Department of Internal Medicine II and Independent