1. Population Health Sciences, Bristol Medical School, University of Bristol; Bristol UK
2. Division of Global Public Health, University of California San Diego School of Medicine; San Diego CA USA
3. Health Protection Scotland; Glasgow UK
4. School of Social Sciences; University of the West of Scotland; Paisley UK
5. School of Media, Society and Culture; University of the West of Scotland; Paisley UK
6. School of Health and Life Sciences, Glasgow Caledonian University; Glasgow UK