1. Alhada Armed Forces Hospital, Taif, Saudi Arabia
2. Kasr Alainy Faculty of Medicine, Cairo University, Cairo, Egypt
3. Ministry of Health, Madinah, Saudi Arabia
4. Ministry of Health, Taif, Saudi Arabia
5. Faculty of Medicine, Charité – Universitätsmedizin Berlin, Berlin, Germany
6. Faculty of Medicine, Julius-Maximilians-Universität Würzburg, Bavaria, Germany