Funding for this research was provided by:
Health System Research Institute
Faculty of Medicine Siriraj Hospital, Mahidol University
Text and Data Mining valid from 2018-08-20
Received: 2 February 2018
Accepted: 7 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: The study received ethical approval from the Institutional Review Board of Faculty of Medicine Siriraj Hospital, Mahidol University. Only subjects who agreed to participate and signed informed consent forms were enrolled.
: Not applicable.
: The authors declare that they have no competing interests.
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