University Medical Center Mannheim, Mannheim, Baden-Württemberg, Germany
University Hospital Heidelberg / National Centre for Tumor Diseases, Heidelberg, Germany
University Hospital Mannheim, Dpt. of Surgery, Mannheim, Germany
Klinikum Frankfurt-Höchst, Frankfurt am Main, Germany
University of Heidelberg, Heidelberg, Germany
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