1. a Institute of Clinical Exercise and Health Science, University of the West of Scotland , Hamilton , United Kingdom
2. b School of Human Sciences, London Metropolitan University , London , United Kingdom
3. c Department of Sport and Exercise Sciences, University of Bedfordshire , Bedford , United Kingdom
4. d School of Sport, Health and Outdoor Education, Trinity Saint David, University of Wales , Carmarthen , United Kingdom
5. e Department of Sports Sciences, Swansea University , Swansea , United Kingdom