Kamthornthanakarn, Itthidet
Krittayaphong, Rungroj http://orcid.org/0000-0001-8684-2361
Article History
Received: 24 May 2018
Accepted: 15 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: The protocol for this study was approved by the Siriraj Institutional Review Board (SIRB), Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand. The Institutional Review Board of Faculty of Medicine Siriraj Hospital approved the study after determining that the study met the definition of research not requiring informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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