Hu, Yiqun
Yoshida, Kengo
Cologne, John B
Maki, Mayumi
Morishita, Yukari
Sasaki, Keiko
Hayashi, Ikue
Ohishi, Waka
Hida, Ayumi
Kyoizumi, Seishi
Kusunoki, Yoichiro
Tokunaga, Katsushi
Nakachi, Kei
Hayashi, Tomonori
Article History
Received: 19 May 2015
Revised: 10 August 2015
Accepted: 11 August 2015
First Online: 8 October 2015
Competing interests
: The authors declare no conflict of interest.