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Authors
Jongvilaikasem, Pondtip
Rianthavorn, Pornpimol https://orcid.org/0000-0003-2671-7416
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Article History
Received: 10 July 2020
Revised: 11 November 2020
Accepted: 14 December 2020
First Online: 3 January 2021
Compliance with ethical standards
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: The authors declare that they have no conflict of interest.
: This retrospective chart review study was conducted according to the ethical standards of the institutional and national research committee as well as complied with the 1964 Helsinki Declaration and its later amendments. The Institutional Review Board (IRB) of Chulalongkorn University approved this study (Number 668/61).
: Due to the retrospective nature of the study, formal consent was exempted. The partcipants’ data were kept anonymous.
: The Institutional Review Board of Chulalongkorn University waived the need for formal consent for the retrospective chart review study.
: N/A.
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