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Authors
Taniguchi, Hiroto
Itoh, Masafumi
Yoshimoto, Nobuyuki
Itou, Junya
Kuwashima, Umito
Okazaki, Ken https://orcid.org/0000-0003-1274-8406
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Article History
Received: 5 December 2019
Accepted: 12 February 2020
First Online: 21 February 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethical Committee of the Tokyo Women’s Medical University (approval number: 4681). The informed consent form in this study is opt-out.
: Not applicable.
: KO is a paid speaker of Smith and Nephew, Inc., and Zimmer Biomet, Inc. The other authors declare that they have no competing interests.
