Auckland City Hospital, Auckland, New Zealand
Midwest Cardiovascular Research Foundation, Davenport, Iowa, United States
St. John Clinic, Bartlesville, Oklahoma, United States
Sapporo Higashi Tokushukai Hospital, Sapporo, Hokkaido, Japan
Johas Kanto Rosai Hospital, Kawasaki, Kanagawa-Ken, Japan
Tenjinkai Shin-Koga Hospital, Kurume, Fukuoka-Ken, Japan
North Mississippi Medical Center, Tupelo, Mississippi, United States
Geisinger Medical Center, Danville, Pennsylvania, United States
Charleston Area Medical Center (CAMC) - Health Education & Research Institute, Charleston, West Virginia, United States
Onze-Lieve-Vrouwziekenhuis, Aalst, Belgium
Institut Hospitalier Jacques Cartier, Massy, France
Universitaets-Herzzentrum Freiburg- Bad Krozingen, Bad Krozingen, Germany
Kerckhoff Klinik Herzzentrum-Herzchirurgie, Bad Nauheim, Germany
Schüchtermann-Klinik, Bad Rothenfelde, Germany
Herz- und Diabeteszentrum NRW, Bad Oeynhausen, Germany
Baylor College of Medicine, Houston, Texas, United States
St. Luke's East Hospital, Lee's Summit, Missouri, United States
Deborah Heart and Lung Center, Browns Mills, New Jersey, United States
Medizinische Universitaet Graz, Graz, Austria
Hanusch Krankenhaus, Vienna, Austria
Auckland City Hospital, Auckland, New Zealand
St. Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
Monash Heart, Monash Health, Clayton, Victoria, Australia
Skane University Hospital- Lund, Lund, Sweden
Clinic Pastuer, Toulouse, France
University Leipzig Medical Centre, Leipzig, Germany
St. Franziskus Hospital, Munster, Germany
Hanusch Krankenhaus, Vienna, Austria