1. University of York; Department of Health Sciences, Faculty of Sciences; York UK
2. ARK Foundation; Dhaka Bangladesh
3. Institute of General Practice, Addiction Research and Clinical Epidemiology Unit; Medical Faculty of the Heinrich-Heine-University; Düsseldorf Germany
4. University of Leeds; Leeds Institute of Health Sciences; Leeds UK
5. National Tuberculosis Control Programme (NTP); Islamabad Pakistan
6. Hull York Medical School; University of York; Heslington York UK
7. Department of Economics; University of Dhaka; Bangladesh
8. The Initiative; Islamabad Pakistan
9. University of Edinburgh, Usher Institute of Population Health Sciences and Informatics; Edinburgh UK
10. Department of Family Medicine, CAPHRI School for Public Health and Primary Care; Maastricht University; the Netherlands
11. Centre for Tobacco-Dependent of the 3rd Medical Department, Department of Endocrinology and Metabolism, 1st Faculty of Medicine; Charles University and the University Hospital Prague; Czech Republic
12. Institute of Hygiene and Epidemiology, 1st Faculty of Medicine; Charles University and the University Hospital Prague; Czech Republic