1. Department of Nuclear Medicine, Faculty of Medicine, Kuwait University, Kuwait city, Kuwait
2. Department of Pathology, Faculty of Medicine, Kuwait University, Kuwait city, Kuwait
3. Department of Biological Sciences, College of Science, King Faisal University, Al Ahsa, Saudi Arabia
4. Department of Anatomy, Faculty of Medicine, Kuwait University, Kuwait city, Kuwait
5. Royal College of Surgeons in Ireland, Dublin, Ireland