1. Department of Sport and Health Sciences, Chair of Training Science and Sport Informatics, Technical University of Munich, Munich, Germany
2. China Table Tennis College, Shanghai University of Sport, Shanghai, China
3. School of Pharmacy, Biotechnology and Sport Science, University of Bologna, Bologna, Italy
4. Faculty of Kinesiology, University of Split, Split, Croatia
5. Association of German Table Tennis Coaches (VDTT), Moers, Germany
6. Department of Sports and Health Science, Faculty of Human Health Sciences, Meio University, Okinawa, Japan
7. College of Education, Academic Institute, Shizuoka University, Shizuoka, Japan
8. Department of Sport Science, College of Education, Zheijang University, Hangzhou, China