1. Department of Obstetrics and Gynaecology, King Abdulaziz University, Jeddah, Saudi Arabia
9665056025
2. Department of Health Services, Norwegian Institute of Public Health, and Tromso University, Norway
3. Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
4. Department of Obstetrics and Gynaecology, King Abdulaziz University, Jeddah, Saudi Arabia