Funding for this research was provided by:
Faculty of Medicine, Prince of Songkla University (Not applicable)
Text and Data Mining valid from 2019-12-01
Received: 25 May 2019
Accepted: 5 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the Human Research Ethics Committee of the Faculty of Medicine, Prince of Songkla University.
: Not applicable.
: All other authors have no conflict of interest to disclose. The authors declare that they have no competing interests.