1. Department of Cardiology, Istishari Hospital, 44 Kindi Street, Amman 11954, Jordan
2. Department of Public Health, Jordan University of Science and Technology School of Medicine, 3030 Ramtha Street., Irbid 22110, Jordan
3. Cardiology Department, Abdali Hospital, 1 Al-Istethmar Street-Abdali Boulevard, Amman 11190, Jordan
4. Department of Internal Medicine, Cardiology Department, King Abdullah University Hospital, Irbid, Jordan
5. Department of Cardiology, Jordan Hospital, Queen Rania Street, Amman, Jordan