About the Authors

Yi-Shing Ma

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Shigeru Yoshida

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Yu Kobayashi

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Noriaki Kawanishi

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Takayuki Furukawa

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Hirotoshi Fuda

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Shu-Ping Hui

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Hitoshi Chiba

Faculty of Health Sciences, Hokkaido University, Sapporo, Japan

Corresponding Author

Email: keino@hs.hokudai.ac.jp