Matsuda, Yoshinori
Narita, Shintaro
Nara, Taketoshi
Mingguo, Huang
Sato, Hiromi
Koizumi, Atsushi
Kanda, Sohei
Numakura, Kazuyuki
Saito, Mitsuru
Inoue, Takamitsu
Hiroshima, Yuko
Nanjo, Hiroshi
Satoh, Shigeru
Tsuchiya, Norihiko
Habuchi, Tomonori
Article History
Received: 27 June 2019
Accepted: 7 April 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: This study was carried out in compliance with the Declaration of Helsinki. All subjects provided written informed consent for inclusion in the study, which was approved by the institutional review board of Akita University (Ethical Approval No. 1341).
: Not applicable.
: No competing financial interests exist.