Amano, Koji
Morita, Tatsuya
Koshimoto, Saori
Uno, Teruaki
Katayama, Hirofumi
Tatara, Ryohei
Article History
Received: 29 July 2018
Accepted: 5 December 2018
First Online: 15 December 2018
Compliance with ethical standards
: The completion and return of the questionnaire was regarded as consent to participate in this study. The Institutional Review Board approved this study (No. 1804008).
: The authors declare that they have no conflict of interest.