Terao, Nobuhiro
Koizumi, Hideki
Kojima, Kentaro
Yamagishi, Tetsuya
Yamamoto, Yuji
Yoshii, Kengo
Kitazawa, Koji
Hiraga, Asako
Toda, Munetoyo
Kinoshita, Shigeru
Sotozono, Chie
Hamuro, Junji
Article History
Received: 19 January 2018
Accepted: 21 June 2018
First Online: 12 July 2018
Competing Interests
: The authors declare no competing interests.