1. Department of Pharmacy, Sultan Qaboos University Hospital, University Medical City, P.O. Box 35, Alkoudh, Muscat 123, Oman
2. Department of Child Health, Sultan Qaboos University Hospital, University Medical City, P.O. Box 35, Alkoudh, Muscat 123, Oman
3. Emergency Medical Department, Sultan Qaboos University Hospital, University Medical City, P.O. Box 35, Alkoudh, Muscat 123, Oman
4. Department of Pharmacology and Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, P.O. Box 35, Alkoudh, Muscat 123, Oman