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Authors
Okamoto, Teppei https://orcid.org/0000-0002-3750-3811
Hatakeyama, Shingo
Togashi, Kyo
Hamaya, Tomoko
Tanaka, Yoshimi
Imanishi, Kengo
Takashima, Tooru
Saitoh, Fumitada
Suzuki, Tadashi
Ohyama, Chikara
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Article History
Received: 13 January 2020
Accepted: 1 June 2020
First Online: 15 June 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures performed in 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. This study approved by the Ethics Committee of Hirosaki University Graduate School of Medicine (IRB number, Ken11H30001). The trial is registered in the UMIN Clinical Trials Registry UMIN000031200.
: Informed consent was obtained from all individual participants included in the study.
