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Authors
Kikuchi, Daisuke https://orcid.org/0000-0002-0529-7910
Tanaka, Masami
Suzuki, Yugo
Takeda, Hidehiko
Hoteya, Shu
Iizuka, Toshiro
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Article History
Received: 5 October 2019
Accepted: 3 February 2020
First Online: 18 February 2020
Compliance with ethical standards
:
: The study protocol was approved by the Institutional Review Board of Toranomon hospital. In this retrospective study, only anonymous data was used, so provision of informed consent was waived.
: All authors declare that there are no conflicts of interest.
