Hara, Masamitsu
Kobayakawa, Kazu http://orcid.org/0000-0002-7444-0661
Ohkawa, Yasuyuki http://orcid.org/0000-0001-6440-9954
Kumamaru, Hiromi
Yokota, Kazuya
Saito, Takeyuki
Kijima, Ken
Yoshizaki, Shingo
Harimaya, Katsumi
Nakashima, Yasuharu
Okada, Seiji
Article History
Received: 29 September 2016
Accepted: 14 April 2017
First Online: 19 June 2017
Competing interests
: The authors declare no competing financial interests.