Kitazawa, Koji
Itoi, Motohiro
Yokota, Isao
Wakimasu, Koichi
Cho, Yuko
Nakamura, Yo
Hieda, Osamu
Kinoshita, Shigeru
Sotozono, Chie
Article History
Received: 20 July 2018
Accepted: 26 September 2018
First Online: 9 October 2018
Competing Interests
: The authors declare no competing interests.