Chiba, Daisuke
Wada, Kanichiro
Tanaka, Toshihiro
Kumagai, Gentaro
Sasaki, Eiji
Takahashi, Ippei
Nakaji, Shigeyuki
Ishibashi, Yasuyuki
Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science, and Technology of Japan (18200044)
Japanese Society for the Promotion of Science (21500676)
JOA-Subsidized Science Project Research from the Japanese Orthopaedic Association
Karoji Memorial Fund for Medical Research (5310139302)
Article History
Received: 2 July 2015
Accepted: 9 November 2015
First Online: 11 December 2015
Compliance with ethical standards
:
: There are no competing interests to declare.
: Study design: DC. Study conduct: DC and ES. Data collection: DC and GK, and IT. Data analysis: DC, GK, and ES. Data interpretation: DC, KW, and ES. Drafting manuscript: DC. Revising manuscript: KW, TT, GK, and ES. Approving final version of manuscript: SN and YI.
: The Ministry of Education, Culture, Sports, Science, and Technology of Japan (No. 18200044), the Japanese Society for the Promotion of Science (No. 21500676), Karoji Memorial Fund for Medical Research (No. 5310139302), and JOA-Subsidized Science Project Research from the Japanese Orthopaedic Association.