1. Omariya Clinic, Primary Health Care , Ministry of Health , Kuwait
2. Naseem Clinic, Primary Health Care , Ministry of Health , Kuwait
3. Al-Rehab Health Center, Primary Health Care , Ministry of Health , Kuwait
4. Community Medicine Department, Faculty of Medicine , Alexandria University , Alexandria, Egypt
5. Department of Health Information and Medical Records, Ministry of Health , Kuwait
6. Department of Medical Statistics, Medical Research Institute , Alexandria University , Alexandria, Egypt