1. Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305‑8577, Japan
2. Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305‑8574, Japan
3. Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305‑8577, Japan
4. Department of Clinical Laboratory Science, Faculty of Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki 300‑0051, Japan