Tongprasert, S
Namchandee, A
Sotthipoka, K
Kammuang-lue, P
Article History
Received: 28 December 2017
Revised: 27 April 2018
Accepted: 27 April 2018
First Online: 12 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This protocol study was approved by the Institutional Review Board of the Faculty of Medicine, Chiang Mai University (Research No. 2381, Study No. REH-2558-03115).