Satproedprai, N
Wichukchinda, N
Suphankong, S
Inunchot, W
Kuntima, T
Kumpeerasart, S
Wattanapokayakit, S
Nedsuwan, S
Yanai, H
Higuchi, K
Harada, N
Mahasirimongkol, S
Article History
Received: 7 November 2014
Revised: 17 January 2015
Accepted: 20 January 2015
First Online: 12 March 2015
Competing interests
: The authors declare no conflict of interest.