University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University Hospital Freiburg, Freiburg, Germany
University Hospital Hamburg Eppendorf, Hamburg, Germany
University Hospital Marburg, Marburg, Germany
University Heart and Vascular Center Hamburg, Hamburg, Germany
Erasmus University Medical Centre, Rotterdam, Netherlands
Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval, Québec, Canada
Montreal Heart Institute, Montréal, Canada
University Hospital Eppendorf, Hamburg, Germany
Albertinen Krankenhaus, Hamburg, Germany
Uniklinik Köln, Cologne, NRW, Germany
CTC North, Hamburg, Germany
Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
University Hospital RWTH Aachen, Aachen, Germany
GastroZentrum Lippe, Bad Salzuflen, Germany
Gastroenterologiepraxis Dr. Moog, Kassel, Hessen, Germany
Universitätsklinikum Leipzig, Leipzig, Sachsen, Germany
Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany