1. Department of Forensic Medicine and Toxicology, Faculty of Medicine, Najran University, Saudi Arabia
2. Gastroenterology Surgery Center, Faculty of Medicine, Mansoura University, Egypt
3. Department of Clinical Laboratory, Faculty of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
4. Department of Biochemistry, Faculty of Medicine, Ain Shams University, Cairo, Egypt
5. Regional Laboratory, Ministry of Health, Najran, Saudi Arabia