Lankenau Medical Center, Wynnewood, Pennsylvania, United States
Emory University, Atlanta, Georgia, United States
Cardiac and Vascular Institute, Gainesville, Florida, United States
Alexian Brothers Heart and Vascualr Institute, Elk Grove Village, Illinois, United States
Washington University in St. Louis, Saint Louis, Missouri, United States
Cardiovascular Specialists of Texas, Austin, Texas, United States
Case Medical Center, Cleveland, Ohio, United States
Cleveland Clinic, Cleveland, Ohio, United States
Auckland City Hospital, Auckland, New Zealand
Universitats Herzzentrum Bad Krozingen, Bad Krozingen, Germany
Rex Health, Raleigh, North Carolina, United States
VA North Texas, Dallas, Texas, United States
Desert Cardiology, Rancho Mirage, California, United States
Elisabeth-Krankenhaus Essen Kardiologie, Essen, Germany
Vivantes Klinikum Zum Friedrichshain, Berlin, Germany
Alfried Krupp Khs, Essen, Germany