University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University Basel, Basel, Switzerland
University Hospital Marburg, Marburg, Germany
Charite University Berlin, Berlin, Germany
University Heart and Vascular Center Hamburg, Hamburg, Germany
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
Department of Primary Medical Care, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University of Hamburg Medical Institutions, Hamburg, Germany
Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany