1. Dow University of Health Sciences, Mission Road, Karachi, Pakistan
2. Karachi Medical and Dental College, Karachi, Pakistan
3. Department of Public Health, Atish Dipankar University of Science and Technology, Dhaka, Bangladesh
4. Voice of Doctors Research School, Dhaka, Bangladesh
5. Department of Orthopaedic Surgery, Yan’an Hospital Affiliated to Kunming Medical University, Kunming, Yunnan, China