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Authors
Horii, Nobutoshi
Sawda, Yu
Kumamoto, Takafumi
Tsuchiya, Nobuhiro
Murakami, Takashi
Yabushita, Yasuhiro
Honma, Yuki
Matsuyama, Ryusei
Morioka, Daisuke
Akiyama, Hirotoshi
Endo, Itaru
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Article History
Received: 26 September 2019
Accepted: 19 March 2020
First Online: 7 April 2020
Ethics approval and consent to participate
: This retrospective study was approved by the ethics committee of Yokohama City University. The ethics approval, consent to use medical records and electronic data, and consent for publication were obtained from the ethics committee of Yokohama City University.
: Not applicable.
: The authors declare that they have no competing interests.
