Yamamoto, Yuta http://orcid.org/0000-0003-1225-2240
Miyagawa, Yusuke
Kitazawa, Masato
Tanaka, Hirokazu
Kuroiwa, Masatsugu
Hondo, Nao
Koyama, Makoto
Nakamura, Satoshi
Tokumaru, Shigeo
Muranaka, Futoshi
Soejima, Yuji
Article History
Received: 28 May 2020
Accepted: 19 July 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the ethical guidelines of the 1975 Declaration of Helsinki and was approved by the Ethical Committee of Shinshu University Hospital (approval number: 4471). Informed consent was obtained from each patient using the opt-out method; patients could opt-out at any time on the website. The opt-out method was approved by the Ethical Committee of Shinshu University Hospital.
: Not applicable.
: The authors declare that they have no competing interests.