Ueda, Yasuhiro
Aoyagi, Hayato
Okamoto, Takayuki
Article History
Received: 3 April 2018
Accepted: 19 August 2018
First Online: 23 August 2018
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.