1. Khyber Teaching Hospital MTI KTH, Peshawar, Pakistan
2. Mercer University School of Medicine, Macon, GA, USA
3. District Headquarters Hospital, Bannu, Pakistan
4. Rutgers New Jersey Medical School, Newark, NJ, USA
5. Saint Louis University, St. Louisl, MO, USA
6. Nanjing Medical University, Nanjing, Jiangsu, China