1. Cardiology
2. Medicine, Allama Iqbal Medical College, Lahore
3. Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan
4. Department of Medicine, United Health Services (Wilson Medical Center), Wilson, NC
5. Faculty of Medicine, Lebanese University, Beirut, Lebanon
6. Department of Cardiovascular Medicine, Oklahoma University, Norman, OK, USA
7. Department of Medicine, Medstar Health Baltimore, Baltimore, Maryland