Kimura, Y
Pham, N M
Yasuda, K
Nanri, A
Kurotani, K
Kuwahara, K
Akter, S
Sato, M
Hayabuchi, H
Mizoue, T
Article History
Received: 2 June 2014
Revised: 12 October 2014
Accepted: 29 October 2014
First Online: 3 December 2014
Competing interests
: The authors declare no conflict of interest.