Wongphutorn, Phattharaphon
Chomvarin, Chariya
Sripa, Banchob
Namwat, Wises
Faksri, Kiatichai https://orcid.org/0000-0001-5022-4182
Funding for this research was provided by:
Khon Kaen University (NA)
Thailand Research Fund (MRG 5980002, RTA 5680006)
Article History
Received: 27 April 2017
Accepted: 21 January 2018
First Online: 30 January 2018
Ethics approval and consent to participate
: Written ethical consents were received from participants. The study was approved by Institutional Human Ethics Committee of Khon Kaen University (HE571489).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.