Institution: | 1. Department of Family Medicine, Ministry of the National Guard-Health Affairs, King Abdulaziz Medical City, P.O. Box 9515, Jeddah, 21423, Saudi Arabia;2. College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, P.O. Box 9515, Jeddah, 21423, Saudi Arabia;3. King Abdullah International Medical Research Center, P.O. Box 9515, Jeddah, 21423, Saudi Arabia;4. Department of Medicine, Ministry of the National Guard-Health Affairs, King Abdulaziz Medical City, P.O. Box 9515, Jeddah, 21423, Saudi Arabia |