Affiliation: | 1. Department of Cardiac Sciences, College of Medicine, King Saud University, Riyadh, Saudi Arabia;2. Department of Medical Education, College of Medicine, King Saud University, Riyadh, Saudi Arabia;3. Department.of Family and Community Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia;4. Rehabilitation Sciences Department, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia |