Takada, Junichi http://orcid.org/0009-0001-7177-7568
Okimoto, Nobukazu http://orcid.org/0000-0001-5323-0350
Tsukamoto, Manabu http://orcid.org/0000-0003-4577-5072
Akatsuka, Tomohiro
Takebayashi, Tsuneo
Iba, Kousuke http://orcid.org/0000-0001-9674-9232
Ikeda, Satoshi http://orcid.org/0000-0001-9202-3290
Article History
Received: 18 November 2023
Accepted: 22 June 2024
First Online: 2 July 2024
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards and with the protocol approved by the ethics review committee of Sapporo Maruyama Orthopedic Hospital (approved on October 22, 2021; approval No. 000042). Since it was a retrospective study, for this type of study formal consent is not required. Therefore, the opt-out procedure was used.
: Junichi Takada received fees for lectures and medical advice from Asahi-Kasei Pharmaceutical Co., Ltd. Nobukazu Okimoto received consulting fees from Asahi-Kasei Pharmaceutical Co., Ltd. And Teijin Pharma Ltd. and received payments for lectures, including speakers’ bureau fees, from Asahi-Kasei Pharmaceutical Co., Ltd., Amgen K. K., Chugai Pharmaceutical Co., Daiichi-Sankyo Co. Ltd., Towa Pharmaceutical Co., Ltd., and Teijin Pharma Ltd. Manabu Tsukamoto received payments for lectures, including speakers’ bureau fees, from Asahi-Kasei Pharmaceutical Co., Ltd. Kousuke Iba holds an endowed chair at the Department of Musculoskeletal Anti-aging Medicine, Sapporo Medical University. Satoshi Ikeda received fees for medical advice from Asahi-Kasei Pharmaceutical Co., Ltd. and fees for lectures from Asahi-Kasei Pharmaceutical Co., Ltd. and Daiichi-Sankyo Co. Ltd.