1. Department of Allied Health Sciences, Sultan Qaboos University, Muscat 123, Sultanate of Oman
2. Department of Medicine, Sultan Qaboos University Hospital, College of Medicine and Health Sciences, Muscat 123, Sultanate of Oman
3. Department of Haematology, Sultan Qaboos University Hospital, College of Medicine and Health Sciences, Muscat 123, Sultanate of Oman