University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, University of Glasgow - Institute of Health and Wellbeing, King's College London - National Addiction Centre, King's College London - National Addiction Centre, University of Stirling - Institute for Social Marketing and Health, University of Stirling - Institute for Social Marketing and Health, University of Stirling - Institute for Social Marketing and Health, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, NHS National Services Scotland - Information Services Division, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, University of Aberdeen - Health Economics Research Unit, Public Health Scotland, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, Royal Infirmary of Edinburgh, NHS Foundation Trust - Liverpool University Hospitals NHS Foundation Trust (LUH), Government of the United Kingdom - Glasgow Royal Infirmary, University of Hull - Institute for Clinical and Applied Health Research (ICAHR), University of Stirling - Institute for Social Marketing and Health, Government of the United Kingdom - Sheffield Teaching Hospitals, Victoria University - Mitchell Institute and University of Glasgow - MRC/CSO Social and Public Health Sciences Unit

University of Glasgow - Institute of Health and Wellbeing, University of Glasgow - Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow - School of Geographical & Earth Sciences, University of Glasgow - Institute of Health and Wellbeing, University of Glasgow - The Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow - The Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, Catholic University of Health and Allied Sciences/Bugando Medical Centre - Department of Microbiology and Immunology, Kilimanjaro Christian Medical University College, Kilimanjaro Christian Medical Centre - Kilimanjaro Clinical Research Institute, Kilimanjaro Christian Medical Centre - Kilimanjaro Clinical Research Institute, The Nelson Mandela African Institution of Science and Technology, University of Glasgow - The Boyd Orr Centre for Population and Ecosystem Health, University of Glasgow - MRC/CSO Social and Public Health Sciences Unit, Catholic University of Health & Allied Sciences and Kilimanjaro Christian Medical University College - Kilimanjaro Clinical Research Institute