Funding for this research was provided by:
Faculty of Medicine, Prince of Songkla University (57-358-08-1)
Text and Data Mining valid from 2019-06-11
Received: 5 February 2019
Accepted: 14 May 2019
First Online: 11 June 2019
Ethics approval and consent to participate
: This study was approved by the Faculty of Medicine, Prince of Songkla University Ethics Committee with the reference number 57–358–08-1.It was also registered with Thai Clinical Trial Registry with the reference number TCTR20150224002.All participants were informed and asked for written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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