Sugawara, Kazuhiro
Iesato, Noriyuki
Katayose, Masaki
Article History
Received: 5 September 2018
Accepted: 19 May 2019
First Online: 16 January 2020
Compliance with ethical standards
:
: KS (none), NI (none), MK (none).
: The present study was approved by the Ethics Committee of the Obihiro Kyokai Hospital.