Thuong, N T T
Tram, T T B
Dinh, T D
Thai, P V K
Heemskerk, D
Bang, N D
Chau, T T H
Russell, D G
Thwaites, G E
Hawn, T R
Caws, M
Dunstan, S J
Article History
Received: 17 August 2016
Revised: 14 October 2016
Accepted: 17 October 2016
First Online: 17 November 2016
Competing interests
: The authors declare no conflict of interest.