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Authors
Furuhata, Ryogo
Takahashi, Masaaki
Hayashi, Teppei
Inagawa, Miyu
Kono, Aki
Matsumura, Noboru
Kamata, Yusaku
Arino, Hiroshi
Morioka, Hideo
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Article History
Received: 30 September 2019
Accepted: 26 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: This study was approved by the National Hospital Organization Tokyo Medical Center Independent Ethics Committee (No.R19–037), and opt-out consent was performed for each patient on our hospital’s bulletin board and web site. Opt-out consent relies on implicit consent, where willingness to participate is tacit or presumed, and can be retracted by active objection.
: Not applicable.
: The authors declare that they have no competing interests.
