Khawcharoenporn, Thana
Mongkolkaewsub, Suteera
Naijitra, Chanon
Khonphiern, Worawoot
Apisarnthanarak, Anucha
Phanuphak, Nittaya
Funding for this research was provided by:
a co-funding program between The Thailand Research Fund, Office of the Higher Education Commission, and Thammasat University (MRG5680166)
Article History
Received: 16 March 2018
Accepted: 6 June 2019
First Online: 12 June 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the amended Declaration of Helsinki and was approved by the Faculty of Medicine, Thammasat University Ethics Committee. Informed consent was obtained from all study participants.
: Not applicable.
: The authors declare that they have no competing interests.