Medizinische Universitaetsklinik I at the University of Cologne, Cologne, Germany
Neonatology, Children's Hospital, University of Cologne, Cologne, Germany
Klinikum Stuttgart, Olgahospital, Stuttgart, Germany
DRK Kinderklinik, Siegen, Germany
Ruhr University of Bochum, Children's Hospital St. Josef Spital, Bochum, Germany
1st Dept. of Medicine, Cologne University Hospital, Cologne, Germany
Department of Psychiatry, University of Cologne, Cologne, NRW, Germany
Krankenhaus Reinbek St.Adolfsstif, Hamburg-Reinbek, Germany
Medizinische Hoschschule Hannover, Hannover, Germany
University of Cologne, Koeln, Germany
Berlin University Medical Center, Campus Benjamin Franklin, Dept. of Psychosomatics and Psychotherapy, Berlin, Germany
Technical University of Dresden, Dept. of Psychotherapy and Psychosomatics, Dresden, Germany
University of Cologne, Dept. Psychosomatics and Psychotherapy, Cologne, Germany
Department of Pharmacology, University of Cologne, Cologne, Germany
Isar-Amper-Klinikum gemeinnützige GmbH, Klinik Taufkirchen (Vils), Taufkirchen (Vils), Bayern, Germany
University of Cologne, Dept. of Psychiatry and Psychotherapy, Cologne, NRW, Germany
Medizinische Universitaetsklinik I at the University of Cologne, Cologne, Germany
Universitatsklinikum Heidelberg, Heidelberg, Germany
Klinikum Barnim GmbH, Werner Forssmann Krankenhaus, Eberswalde, Germany