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Authors
Yamada, Daisuke
Ohde, Sachiko
Imai, Ryosuke
Ikejima, Kengo
Matsusako, Masaki
Kurihara, Yasuyuki
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Article History
Received: 17 August 2021
Accepted: 22 December 2021
First Online: 3 January 2022
Declarations
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: This retrospective study was approved by the institutional review board of St. Luke’s International Hospital (20-R220). The requirement for informed consent was waived by the Institutional Review Board owing to the retrospective study design.
: Not applicable.
: The authors declare that they have no competing interests.
