1. MRC/CSO Social and Public Health Sciences Unit, Institute of Health and Wellbeing, University of Glasgow , Glasgow , UK
2. Physiotherapy and Cardiac Rehabilitation Unit, Department of Cardiac Surgery, Ibrahim Cardiac Hospital and Research Institute , Dhaka , Bangladesh
3. Department of Physiotherapy and Paramedicine, School of Health and Life Sciences, Glasgow Caledonian University , Glasgow , UK
4. Department of Noncommunicable Diseases (NCD), Faculty of Public Health, Bangladesh University of Health Sciences , Dhaka , Bangladesh
5. Institute for Medical Information Processing, Biometry and Epidemiology (IBE), Chair of Public Health and Health Services Research, Faculty of Medicine, LMU Munich . Elisabeth-Winterhalter-Weg 6, 81377 Munich , Germany
6. Pettenkofer School of Public Health. Faculty of Public Health , Elisabeth-Winterhalter-Weg 6, 81377 Munich , Germany
7. Centre for Development, Evaluation, Complexity, and Implementation in Public Health Improvement (DECIPHer), DECIPHer, School of Social Sciences, Cardiff University , Cardiff , UK
8. Robertson Centre for Biostatistics, MRC/CSO Social and Public Health Sciences Unit, Institute of Health and Wellbeing, University of Glasgow , Glasgow , UK