1. School of Nursing and Midwifery, Queen’s University Belfast, Belfast, UK
2. Centre for Public Health, Queen’s University Belfast, Belfast, UK
3. Northern Ireland Clinical Trials Unit, Belfast, UK
4. Yunus Centre for Social Business and Health, Glasgow Caledonian University, Glasgow, UK
5. Medical Research Council/Chief Scientist Office (MRC/CSO) Social & Public Health Sciences Unit, University of Glasgow, Glasgow, UK
6. School of Education, Queen’s University Belfast, Belfast, UK