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Authors
Suwanapong, Thanapon
Waikakul, Aurasa
Boonsiriseth, Kiatanant
Ruangsawasdi, Nisarat
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Article History
Received: 5 April 2021
Accepted: 20 June 2021
First Online: 29 June 2021
Declarations
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: This study was approved by the Ethics Committee of Mahidol University Institutional Review Board (COA.No.MU-DT/PY-IRB 2012/128.2607). Informed consent was obtained directly from all participants above 18-years-old, and from their parents or legal guardian for participants with younger age.
: Not applicable.
: The authors declare that they have no competing interests.
