Yudasaka, Masako
Yomogida, Yohei
Zhang, Minfang
Tanaka, Takeshi
Nakahara, Masako
Kobayashi, Norihiko
Okamatsu-Ogura, Yuko
Machida, Ken
Ishihara, Kazuhiko
Saeki, Kumiko
Kataura, Hiromichi
Article History
Received: 13 December 2016
Accepted: 13 February 2017
First Online: 20 March 2017
Competing interests
: The authors declare no competing financial interests.