1. Department of Clinical Biochemistry, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman.
2. Department of Immunology and Microbiology, Sultan Qaboos University Hospital, Muscat, Oman.
3. Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman.
4. Department of Pharmacology and Clinical Pharmacy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman.
5. Department of Pathology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman.