1. MRCGP, Jahra Polyclinic , Primary Health Care , Ministry of Health , Kuwait
2. MRCGP, Saad Al-Abdullah Polyclinic , Primary Health Care , Ministry of Health , Kuwait
3. Community Medicine Department, Faculty of Medicine , Alexandria University , Egypt
4. Department of Health Information and Medical Records, Ministry of Health , Kuwait
5. Department of Medical Statistics, Medical Research Institute , Alexandria University , Egypt