Pungjunun, Kingkan
Chaiyo, Sudkate
Jantrahong, Issarapong
Nantaphol, Siriwan
Siangproh, Weena
Chailapakul, Orawon
Funding for this research was provided by:
Thailand Research Fund (RTA6080002)
Science Achievement Scholarship of Thailand
Article History
Received: 9 February 2018
Accepted: 24 April 2018
First Online: 11 June 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.