1. Graduate School of Sports Science, Waseda University –
Tokorozawa Campus, Tokorozawa, Japan
2. Department of Sports Medicine, Tokyo Women's College of
Physical Education
3. Department of Othopaedic sugery, University of Tsukuba Faculty of
Medicine, Tsukuba, Japan
4. Faculty of Sport Sciences, Waseda University, Tokorozawa,
Japan
5. Marubeni Clinic, Marubeni Corp, Chiyoda-ku, Japan