University of Heidelberg, Mannheim, Germany
Charite Berlin, Berlin, Germany
University of Bochum, Bochum, Germany
Helios Klinikum Bad Saarow, Bad Saarow, Germany
University Medical Center Mannheim, Mannheim, Germany
Clinical Research Unit, University of Heidelberg, Heidelberg, Germany
Clinical Research Unit, University of Heidelberg, Heidelberg, Germany
Thoraxklinik Heidelberg, Heidelberg, Germany
Department of prosthodontics, university of heidelberg, Heidelberg, Germany
Department of Cardiology, University of Heidelberg, Heidelberg, Germany
Innsbruck University Hospital, Innsbruck, Austria
Bochum University Hospital, Bochum, Germany
Bielefeld evangelisches Krankenhaus, Bielefeld, Germany
University of Heidelberg, Heidelberg, Germany
Herne University Hospital, Herne, Germany
Mannheim University Hospital, Mannheim, Germany
Würzburg University Hospital, Würzburg, Germany