Hiraoka, Nobuyuki
Nakagawa, Shuji
Otakara, Eigo
Inoue, Hiroaki
Takahashi, Kenji
Arai, Yuji
Article History
Received: 30 July 2020
Accepted: 27 November 2020
First Online: 14 December 2020
Ethics approval and consent to participate
: The study protocol was approved by the institutional review board of Saiseikai Shiga Hospital (approval number 410). Informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.