1. College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, National Guard Hospital, Jeddah, Saudi Arabia
2. Department of Obstetrics and Gynecology, King Abdulaziz Medical City, National Guard Hospital, Jeddah, Saudi Arabia
3. Department of Pediatric Neonatology, King Abdulaziz Medical City, National Guard Hospital, Jeddah, Saudi Arabia