1. Department of Pediatrics, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
2. Faculty of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
3. Department of Pharmacology, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
4. Centre of Biomedical Sciences Research (CBSR), Taif University, P.O. Box 11099, Taif 21974, Saudi Arabia
5. High Altitude Research Center, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia