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Authors
Iwamura, Masatoshi
Midorikawa, Hiroshi
Shibutani, Koichi
Kakuta, Akihisa
Maruyama, Sho
Yotsuya, Chihiro
Tatsuo, Soichiro
Fujita, Hiromasa
Kakehata, Shinya
Tsushima, Fumiyasu
Nozaki, Atsushi
Sugimoto, Koichiro
Kakeda, Shingo https://orcid.org/0000-0002-0521-9728
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Article History
Received: 21 July 2020
Accepted: 15 October 2020
First Online: 21 October 2020
Compliance with ethical standards
:
: We declare that we have no conflict of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Our study was approved by the institutional review board, which waived informed consent because it was retrospective.
