1. Carnegie School of Sport, Leeds Beckett University, Leeds LS6 3QS, UK
2. Research Institute of Sport and Exercise Science, Liverpool John Moores University, Liverpool L3 3AF, UK
3. Department of Clinical Sciences and Nutrition, University of Chester, Chester CH1 4BJ, UK
4. School of Health and Society, University of Wolverhampton, Wolverhampton WV1 1LY, UK
5. Medical Research Council Population Health Research Unit, University of Oxford, Oxford OX1 7LF, UK
6. Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK
7. Department of Twin Research & Genetic Epidemiology, South Wing St Thomas’, King’s College London, London SE1 7EH, UK