Ziekenhuis Oost-Limburg, Genk, Belgium
Giorgio Prouse, Lugano, Switzerland
Andrej Udelnow, Brandenburg, Germany
Ospedale Regionale di Lugano - sede Civico, Lugano, Switzerland
Andrej Udelnow, Brandenburg, Germany
University Hospital Carl Gustav Carus TU Dresden, Dresden, Germany
Kootenai Health, Coeur d'Alene, Idaho, United States
Eddy Luh, Las Vegas, Nevada, United States
Westchester Medical Center, Valhalla, New York, United States
Klinikum Nordfriesland GmbH, Husum, Germany
Heart Center Leipzig, Leipzig, Germany
Policlinico San Donato, San Donato Milanese, MI, Italy
A.O.U. Città della Salute e della Scienza, Turin, Italy
Chinese PLA General Hospital, Beijing, Beijing, China
Hua Shan Hospital, Shanghai, Shanghai, China
Vascular Surgery Associates, Baton Rouge, Louisiana, United States
General Surgery, Bamberg, South Carolina, United States
South Carolina Associates for Cardiac and Vascular Disease; Greenville Hospital System, Greenville, South Carolina, United States