1. King Saud University; Department of Clinical Pharmacy, College of Pharmacy; P.O. Box 22452 Riyadh Saudi Arabia 11495
2. King Saud University; College of Pharmacy; Riyadh Saudi Arabia
3. King Saud University; Department of Cardiology; Riyadh Saudi Arabia
4. Medical School, University of Thessaly; Department of Biomathematics; Larissa Greece
5. King Saud University; Department of Pediatrics (Division of Neonatology); King Khalid University Hospital and College of Medicine Department of Pediatrics (39), P.O. Box 2925 Riyadh Saudi Arabia 11461
6. College of Medicine, King Saud University; Department of Family & Community Medicine, Holder of "Shaikh Abdullah S. Bahamdan" Research Chair for Evidence-Based Health Care and Knowledge Translation; PO Box 2925 Riyadh Saudi Arabia 11461