Pornrattanamaneewong, Chaturong
Ruangsomboon, Pakpoom
Chareancholvanich, Keerati
Wilairatana, Vajara
Narkbunnam, Rapeepat
Article History
Received: 18 November 2017
First Online: 22 June 2018
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.