About the Authors

Takashi Yurube

Affiliation Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Masatoshi Sumi

sumim@kobeh.rofuku.go.jp

Affiliation Department of Orthopaedic Surgery, Kobe Rosai Hospital, Chuo-ku, Kobe, Japan

Kotaro Nishida

Affiliation Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Hiroshi Miyamoto

Affiliation Department of Orthopaedic Surgery, Kobe Medical Center, Suma-ku, Kobe, Japan

Kozo Kohyama

Affiliation Department of Orthopaedic Surgery, Kohnan Kakogawa Hospital, Kanno-cho, Kakogawa, Japan

Tsukasa Matsubara

Affiliation Department of Orthopaedic Surgery, Matsubara Mayflower Hospital, Fujita, Kato, Japan

Yasushi Miura

Affiliation Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Hiroaki Hirata

Affiliation Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Daisuke Sugiyama

Affiliation Department of Evidence-Based Laboratory Medicine, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Minoru Doita

Affiliation Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TY MS. Performed the experiments: TY MS HH. Analyzed the data: TY MS DS. Contributed reagents/materials/analysis tools: TY MS KN HM KK TM YM MD. Wrote the paper: TY MS.