1. Queensland University of Technology; School of Public Health and Social Work, Instiitute of Health and Biomedical Innovation; Victoria Park Road Kelvin Grove Queensland Australia 4059
2. Queensland University of Technology; School of Public Health and Social Work; Victoria Park Road Brisbane Queensland Australia 4059
3. Centers for Disease Control and Prevention; Division of Nutrition, Physical Activity and Obesity, National Center for Chronic Disease Prevention and Health Promotion; 4770 Bufford Hwy, K-46 Atlanta Georgia USA 30341-3717
4. Information Services, Cardiff University; Support Unit for Research Evidence (SURE); 1st Floor, Neuadd Meirionnydd Heath Park Cardiff Wales UK CF14 4YS
5. University of Oxford; British Heart Foundation Health Promotion Research Group, Nuffield Department of Population Health; Old Road Campus Headington Oxford UK OX3 7LF