Ushiyama, Satoru http://orcid.org/0000-0003-0273-0384
Shimojima, Yasuhiro http://orcid.org/0000-0001-7100-1121
Ueno, Ken-ichi http://orcid.org/0000-0002-9351-3440
Kishida, Dai http://orcid.org/0000-0001-8309-7984
Miyazaki, Daigo http://orcid.org/0000-0002-0032-0077
Sekijima, Yoshiki http://orcid.org/0000-0002-8132-2743
Article History
Received: 21 April 2020
Accepted: 11 July 2020
First Online: 24 July 2020
Compliance with ethical standards
:
: The authors declare that they have no financial or personal conflicts of interest.
: The present study was approved by the Local Ethics Committee of Shinshu University (approved number 614 and 3907), and informed consent was obtained from all participants.