1. Golden Jubilee National Hospital Clydebank UK
2. Boston Scientific Arden Hills MN USA
3. Cardiology Associates of North‐East Arkansas Jonesboro AR USA
4. Washington Hospital Center Washington DC USA
5. East‐Slovak Institute of Cardiovascular Diseases Kosice Slovak Republic
6. Montefiore Medical Center Bronx NY USA
7. Her Majesty Cardiac Center Siriraj Thailand
8. Medical Center, Hungarian Defense Forces Budapest Hungary
9. Penn State Milton S Hershey Medical Center Hershey PA USA