Ip, Joanna Y.
Sone, Masamitsu
Nashiki, Chieko
Pan, Qun
Kitaichi, Kiyoyuki
Yanaka, Kaori
Abe, Takaya
Takao, Keizo
Miyakawa, Tsuyoshi
Blencowe, Benjamin J.
Nakagawa, Shinichi
Article History
Received: 25 November 2015
Accepted: 12 May 2016
First Online: 2 June 2016
Competing interests
: The authors declare no competing financial interests.