Papworth Hospital, Cambridge, United Kingdom
l'Institut universitaire de cardiologie et de pneumologie de Québec, Quebec, Canada
St. Paul's Hospital, Vancouver, Canada
Asklepios Klinik-St. Georg, Hamburg, Germany
Klinikum der Universität Jena, Jena, Germany
Kerckhoff Klinik, Bad Nauheim, Germany
Royal Victoria Hospital, Belfast, United Kingdom
University of Alabama at Birmingham, Birmingham, Alabama, United States
Sharp Memorial Hospital, San Diego, California, United States
University of Michigan Health Systems, Ann Arbor, Michigan, United States
Klinikum Coburg GmbH, Coburg, Germany
Krankenhaus Mörsenbroich-Rath GmbH, Düsseldorf, Germany
Klinikum Esslingen, Esslingen, Germany
Casa di Cura "Montevergine", Mercogliano, Avellino, Italy
Osp. S.Raffaele Giglio, Cefalù, Palermo, Italy
Presidio Ospedaliero di Conegliano, Conegliano, Treviso, Italy
Columbia University Medical Center, New York, New York, United States
Sharp Memorial Hospital, San Diego, California, United States
Chirurgie Thoracique et Cardiovasculaire Groupe hospitalier Pitie-Salpetriere, Paris, France
Abbott Vascular International BVBA, Brussels, Belgium
Sint-Blasius Hospital, Dendermonde, Belgium
Medical University of Vienna, Vienna, Austria
Advocate Christ Medical Center, Oak Lawn, Illinois, United States
Emory University Hospital, Atlanta, Georgia, United States
Baptist Medical Center, Little Rock, Arkansas, United States