1. Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany
2. TSG ResearchLab gGmbH, Zuzenhausen, Germany
3. Sport, Health and Exercises Science Research Group, Department of Health, University of Bath, Bath, UK
4. TSG 1899 Hoffenheim, Zuzenhausen, Germany
5. School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK