Affiliation: | Hussain Issa, Baha Bseiso, Department of Internal Medicine, King Fahad Specialist Hospital, Dammam 32253-3202, Saudi ArabiaMamdouh Nahawi, Department of Surgery, King Fahad Specialist Hospital, Dammam 32253-3202, Saudi ArabiaAhmed Al-Salem, Department of Pediatric Surgery, Maternity and Children Hospital, Dammam 32253-3202, Saudi Arabia |