1. School of Allied Health, Faculty of Health, Medicine and Social Care, Anglia Ruskin University, Chelmsford CM1 1SQ, UK
2. School of Health, University of New England, Armidale, NSW 2351, Australia
3. BRAC James P Grant School of Public Health, BRAC University, Dhaka 1212, Bangladesh
4. Department of Public Health, College of Public Health and Health Informatics, Qassim University, Al Bukairiyah 52571, Saudi Arabia