1. UCL Arts and Sciences Department, University College London, 33-35 Torrington Place, London WC1E 7LA, UK
2. School of Health and Psychological Sciences, University of London, London, UK
3. Prime Nepal, Bharatpur, Nepal
4. Transcultural Psychosocial Organization Nepal, Kathmandu, Nepal
5. Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK
6. Addictions Research Group, Sangath, Goa, India
7. Bournemouth University, Poole, UK