Text and Data Mining valid from 2018-10-16
Received: 29 May 2018
Accepted: 2 October 2018
First Online: 16 October 2018
Ethics approval and consent to participate
: This study was approved by two ethical committees: the Siriraj Institutional Review Board, Faculty of Medicine Siriraj Hospital, Mahidol University, and the Ministry of Public Health Review Board, Nakhon Ratchasima Province. Adult subjects or parents of the child subjects signed the consent form for participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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