1. Department of Pediatric Surgery, Abha Maternity and Children's Hospital, Southern Region, Abha, Asser, Saudi Arabia
2. Department of Tropical Medicine, Faculty of Medicine, Zagazig University, Zagazig, Egypt
3. Department of Clinical Pathology, Faculty of Medicine, Zagazig University, Abha, Egypt
4. Pathology Department, College of Medicine, King Khaled University, Abha, Saudi Arabia
5. Department of Pediatric Surgery, Zagazig University Hospital, Zagazig, Egypt
6. Department of Pediatric Surgery, King Fahd Armed Forces Hospital Southern Region, Khamis Mushayt, Asser, Saudi Arabia