About the Authors

Myrthe van den Broek

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

‡ MB and YG share first authorship on this work. MJDJ and AN are joint senior authors on this work.

Affiliations Research and Development, War Child, Amsterdam, The Netherlands, Amsterdam Institute for Social Science Research, University of Amsterdam, Amsterdam, The Netherlands

Yashi Gandhi

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

‡ MB and YG share first authorship on this work. MJDJ and AN are joint senior authors on this work.

Affiliation Addictions and related-Research Group, Sangath, Goa, India

Diliniya Stanislaus Sureshkumar

Roles Conceptualization, Data curation, Methodology, Writing – review & editing

Affiliation Unit for Social and Community Psychiatry, Wolfson Institute of Population Health, Queen Mary University of London, London, United Kingdom

Matthew Prina

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

Affiliations Social Epidemiology Research Group, Kings College London, London, United Kingdom, Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, United Kingdom

Urvita Bhatia

Roles Writing – review & editing

Affiliations Addictions and related-Research Group, Sangath, Goa, India, Department of Psychology, Health and Professional Development at Oxford Brookes University, Oxford, United Kingdom

Vikram Patel

Roles Supervision, Writing – review & editing

Affiliations Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, United States of America, Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, Massachusetts, United States of America

Daisy R. Singla

Roles Writing – review & editing

Affiliations Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Canada, Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada, Lunenfeld-Tanenbaum Research Institute, Sinai Health, Toronto, Canada

Richard Velleman

Roles Writing – review & editing

Affiliations Addictions and related-Research Group, Sangath, Goa, India, Department of Psychology, University of Bath, Bath, United Kingdom

Helen A. Weiss

Roles Writing – review & editing

Affiliation MRC International Statistics and Epidemiology Group, London School of Hygiene & Tropical Medicine, London, United Kingdom

Ankur Garg

Roles Writing – review & editing

Affiliation Addictions and related-Research Group, Sangath, Goa, India

Miriam Sequeira

Roles Writing – review & editing

Affiliation Addictions and related-Research Group, Sangath, Goa, India

Veera Pusdekar

Roles Data curation, Writing – review & editing

Affiliation Addictions and related-Research Group, Sangath, Goa, India

Mark J. D. Jordans

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

‡ MB and YG share first authorship on this work. MJDJ and AN are joint senior authors on this work.

Affiliations Research and Development, War Child, Amsterdam, The Netherlands, Amsterdam Institute for Social Science Research, University of Amsterdam, Amsterdam, The Netherlands

Abhijit Nadkarni

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

abhijit.nadkarni@lshtm.ac.uk

‡ MB and YG share first authorship on this work. MJDJ and AN are joint senior authors on this work.

Affiliations Addictions and related-Research Group, Sangath, Goa, India, Department of Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.