1. Department of Cardiology Memphis VA Medical Center Memphis TN USA
2. The University of Tennessee Health Science Center Memphis TN USA
3. All India Institute of Medical Sciences Rishikesh India
4. New Cross HospitalRoyal Wolverhampton NHS Trust Wolverhampton UK
5. University of Szeged Szeged Hungary
6. Intermountain Heart InstituteIntermountain Medical Center Murray UT USA
7. Memphis VA Medical Center Memphis TN USA
8. Department of Cardiology NRS Medical College Kolkata India
9. University of Arkansas for Medical Sciences Little Rock AR USA
10. Department of Cardiology University of Pécs Pécs Hungary