Watanabe, Kenichi http://orcid.org/0000-0002-5269-146X
Hirano, Ai
Honkura, Yohei
Kashima, Kazutaka
Shirakura, Masayuki
Katori, Yukio
Article History
Received: 6 August 2018
Accepted: 9 November 2018
First Online: 13 November 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.