Affiliation: | 1. Violence and Society Research Group, School of Dentistry, Cardiff University, Cardiff, UK;2. Department of Public Health, College of Health Sciences, Qatar University, Doha, Qatar;3. South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, UK;4. MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK;5. DECIPHer, Cardiff School of Social Sciences, Cardiff University, Cardiff, UK |