Wiranwetchayan, Orawan
Ruankham, Pipat
Promnopas, Wonchai
Choopun, Supab
Singjai, Pisith
Chaipanich, Arnon
Thongtem, Somchai
Funding for this research was provided by:
Thailand Research Fund (MRG6080011)
Article History
Received: 7 November 2017
Revised: 4 April 2018
Accepted: 10 April 2018
First Online: 22 April 2018