Funding for this research was provided by:
Faculty of Medicine Siriraj Hospital, Mahidol University
Text and Data Mining valid from 2019-05-02
Received: 17 May 2018
Accepted: 9 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: This study was approved by the Siriraj Institutional Review Board (SIRB) committee (SIRB EC4:458/2559). Informed consent and assent were obtained.
: Not applicable.
: The authors declare that they have no competing interests.
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