From the Department of Clinical Pharmacology (Magadmi, Nassibi, Kamel, Bakhshwin, Jamal, Alsieni, Burzangi), Department of Physiology (Zaher, Bendary), Faculty of Medicine, from the Department of Medical Laboratory Technology (Al-Rafiah), Faculty of Applied Medical Sciences, King Abdulaziz University, and from the Department of Pharmacy (Nassibi), East Jeddah Hospital, Ministry of Health, Jeddah, Kingdom of Saudi Arabia.