Matsumoto, Kaori
Hasegawa, Tetsuya
Ohara, Kosuke
Takei, Chihiro
Akimoto, Masayuki
Article History
Received: 23 October 2018
Accepted: 23 January 2019
First Online: 29 January 2019
Compliance with ethical standards
:
: None of the authors has any conflicts of interest or any financial ties to disclose.
: This work complies with all ethical standards.