Tanaka, Shigeru
Ninomiya, Toshiharu
Taniguchi, Masatomo
Tokumoto, Masanori
Masutani, Kosuke
Ooboshi, Hiroaki http://orcid.org/0000-0002-4808-6689
Kitazono, Takanari
Tsuruya, Kazuhiko
Article History
Received: 12 June 2017
Accepted: 2 October 2017
First Online: 2 November 2017
Competing Interests
: The authors declare that they have no competing interests.