Nguyen, P H
Gonzalez-Casanova, I
Nguyen, H
Pham, H
Truong, T V
Nguyen, S
Martorell, R
Ramakrishnan, U
Article History
Received: 3 November 2013
Revised: 12 July 2014
Accepted: 22 July 2014
First Online: 10 September 2014
Competing interests
: The authors declare no conflict of interest.