1. Cardiology Department, Jordan University Hospital, Amman, Jordan
2. Cardiology Department, Istishari Hospital, Amman, Jordan
3. Cardiology Department, Alkhalidi Hospital, Amman, Jordan
4. Cardiology Department, Jordan Hospital, Amman, Jordan
5. Cardiology Department, King Abdullah University Hospital, Irbid, Jordan
6. Cardiology Department, Ibn Alyaythem Hospital, Amman, Jordan
7. Cardiology Department, Prince Hamzeh Hospital, Amman, Jordan
8. School of Medicine, Jordan University of Science and Technology-Family Medicine, University of Jordan, Irbid, Jordan