Hijikata, M
Matsushita, I
Le Hang, N T
Thuong, P H
Tam, D B
Maeda, S
Sakurada, S
Cuong, V C
Lien, L T
Keicho, N http://orcid.org/0000-0001-8232-9448
Article History
Received: 23 November 2015
Revised: 21 January 2016
Accepted: 1 February 2016
First Online: 3 March 2016
Competing interests
: The authors declare no conflict of interest.