Profil, Neuss, Germany
University of Virginia, Charlottesville, Virginia, United States
University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
University of Alabama, Birmingham, Alabama, United States
St. Paul's Hospital, Vancouver, British Columbia, Canada
Huddinge Sjukhus, Njurmed kliniken K 56, Huddinge, Sweden
General Hospital (AKH) Salzburg, Salzburg, Austria
Leonberg Hospital, Department of Vascular Surgery, Leonberg, Germany
Landeskrankenhaus Innsbruck, Innsbruck, Tirol, Austria
Klinik für Mund-, Kiefer- und Gesichtschirurgie des Helios-Klinikums Erfurt, Erfurt, Germany
Universitätsklinikum Schleswig Holstein, Campus Kiel, Kiel, Germany
Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie der Universität Erlangen-Nürnberg, Erlangen, Germany
Brevard Cardio Surgeons/Health First Heart Institute, Melbourne, Florida, United States
Peachtree Cardiovascular, Atlanta, Georgia, United States
St. Joseph's/Candler Health System, Inc., Savannah, Georgia, United States
Centre Régional de Lutte Contre le Cancer, Centre Eugène Marquis, Rennes, France
S. Luigi - S. Curro, Presidi Ospedalieri Unificati, Catania, Italy
Ludwig-Maximilians-Universität, Munich, Germany
Academisch Ziekenhuis Maastricht, Orthopedic Surgery, Maastricht, Netherlands
St. Anna Ziekenhuis, Orthopedic Surgery, Geldrop, Netherlands
St. Clara Ziekenhuis, Orthopedic Surgery, Rotterdam, Netherlands
Krankenhaus Zehlendorf, Berlin, Germany
St. Elisabeth Krankenhaus, Wittlich, Germany
Krankenhaus Lichtenberg, Berlin, Germany