1. Division of Clinical Medicine, Faculty of Medicine; University of Tsukuba; Tsukuba Ibaraki Japan
2. Doctoral Programs in Medical Sciences, Graduate School of Comprehensive Human Sciences; University of Tsukuba; Tsukuba Ibaraki Japan
3. Division of Public Health Medicine, Faculty of Medicine; University of Tsukuba; Tsukuba Ibaraki Japan
4. Division of Sports Medicine, Faculty of Health and Sports Science; University of Tsukuba; Tsukuba Ibaraki Japan