1. MRC/CSO Social and Public Health Sciences Unit, Institute of Health and Wellbeing; University of Glasgow; UK
2. Physical Activity for Health Group, School of Psychological Sciences and Health; University of Strathclyde; Glasgow UK
3. JJR Macleod Centre for Diabetes, NHS Grampian; Aberdeen UK
4. Institute for Sport, Physical Education and Health Sciences; University of Edinburgh; UK
5. Aberdeen Royal Infirmary, NHS Grampian; Aberdeen UK