Funding for this research was provided by:
National Research Council of Thailand (61207030029)
Text and Data Mining valid from 2019-06-28
Received: 28 March 2019
Accepted: 24 June 2019
First Online: 28 June 2019
Ethics approval and consent to participate
: All research tools, guideline questions, and procedures were approved by the Ethical Consideration on Human Research Committee of Mae Fah Laung University, Thailand (No. REH 60141), which is the institutional review board (IRB) that works to review and approve applications for research projects involving human subjects. All interview processes were conducted in a private and confidential place. Both hard copies and electronic files of data were destroyed after developing a conclusion. All participants were asked to complete the consent form before being interviewed. For those who were younger than 18 years of age, parental consent was obtained from the parents by both written and verbal means. Participants were guaranteed their rights to voluntary participation and freedom to withdraw during the process.
: Not applicable.
: The authors declare that they have no competing interests.