1. Institute of Sport and Preventive Medicine, Saarland University, Saarbrücken, Germany
2. Sport and Exercise Discipline Group, Faculty of Health, University of Technology Sydney, Moore Park, Australia
3. Faculty of Health and Life Sciences, Coventry University, Coventry, UK
4. Department of Sport, Health and Exercise Science, University of Hull, Kingston upon Hull, UK
5. Department of Psychology, Mary Immaculate College, Limerick, Ireland
6. School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
7. Exercise and Sports Science, Faculty of Science, University of Newcastle, Ourimbah, Australia
8. Sports Medicine and Science Department, Hull City FC, Kingston upon Hull, UK