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