1. Department of Internal Medicine, Faculty of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, UAE
2. Heart and Vascular Institute, Sheikh Khalifa Medical City, P.O. Box 51900, Abu Dhabi, UAE
3. Department of Cardiology, Fujairah Hospital, P.O. Box 10, Fujairah, UAE
4. Dubai Heart Centre, Dubai Hospital, P.O. Box 7272, Dubai, UAE
5. Obaidallah Hospital (Saif Hospital), MOH, P.O. Box 4727, Ras Al-Khaimah, UAE
6. Department of Cardiology, Zayed Military Hospital, P.O. Box 3740, Abu Dhabi, UAE
7. Institute for Clinical Research and Health Policy Studies and Tufts University School of Medicine, Boston, MA 02111, USA