1. Department of Biochemistry,College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman.
2. Department of Medicine, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman.
3. Department of Obstetrics and Gynecology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman.
4. Department of Pathology, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, UAE.
5. Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan.