1. Division of Cardiology College of Medicine, Rajavithi Hospital, Rangsit University Bangkok Thailand
2. Division of Cardiovascular Medicine Virginia Commonwealth University School of Medicine Richmond Virginia USA
3. Division of Cardiovascular Medicine Loma Linda University Health Loma Linda California USA
4. West Virginia University Heart and Vascular Institute Morgantown West Virginia USA
5. Intermountain Heart Institute – Utah Valley Hospital Provo Utah USA