Kunakornsawat, Sombat
Letho,
Pluemvitayaporn, Tinnakorn
Pruttikul, Pritsanai
Piyasakulkaew, Chaiwat
Wasinpongwanich, Kanthika
Kittithamvongs, Piyabuth
Article History
Received: 25 July 2017
Accepted: 9 February 2018
First Online: 3 March 2018
Compliance with ethical standards
:
: All authors declare that they have no conflicts of interests.
: 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 Declaration of Helsinki and its later amendments or comparable ethical standards.