Shimosawa, Hiroshi
Nagura, Takeo http://orcid.org/0000-0003-1059-8862
Harato, Kengo
Kobayashi, Shu
Nakamura, Masaya
Matsumoto, Morio
Niki, Yasuo
Article History
Received: 13 February 2019
Accepted: 30 August 2019
First Online: 13 September 2019
Compliance with ethical standards
:
: The authors declared that they have no conflicts of interest.