About the Authors

May CI van Schalkwyk

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

may.vanschalkwyk@lshtm.ac.uk

Affiliation Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom

Nason Maani

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

Affiliations Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom, SPECTRUM Consortium, London, United Kingdom, School of Public Health, Boston University, Boston, MA, United States of America

Martin McKee

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom

Samantha Thomas

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Faculty of Health, Institute for Health Transformation, School of Health and Soc. Dev., Deakin University, Geelong, Australia

Cécile Knai

Roles Formal analysis, Writing – review & editing

Affiliations Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom, SPECTRUM Consortium, London, United Kingdom

Mark Petticrew

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

Affiliations Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom, SPECTRUM Consortium, London, United Kingdom

Competing Interests

In the past 5 years, ST has received funding for gambling research from the Australian Research Council Discovery Grant Scheme, the Victorian Responsible Gambling Foundation (which is funded via hypothecated taxes from gambling), Gambling with Lives, the Office of Gaming and Racing New South Wales, and Deakin University, Australia. She has received funding for conference travel from the European Union, Beat the Odds Wales, and SNSUS. This does not alter our adherence to PLOS ONE policies on sharing data and materials. All other authors report no competing interests.