Pornprasert, Sakorn http://orcid.org/0000-0003-0280-5569
Tookjai, Monthathip
Punyamung, Manoo
Pongpunyayuen, Panida
Article History
Received: 3 September 2017
Accepted: 8 March 2018
First Online: 12 March 2018
Compliance with Ethical Standards
:
: The authors report no conflicts of interest.
: This study was approved by the Ethics Committee of the Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand.