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Authors
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Noppakun, Kajohnsak https://orcid.org/0000-0002-5783-8766
Kasemset, Thanit
Wongsawad, Uraiwan
Ruengorn, Chidchanok
Thavorn, Kednapa https://orcid.org/0000-0003-4738-8447
Sood, Manish M. https://orcid.org/0000-0002-9146-2344
Nochaiwong, Surapon https://orcid.org/0000-0003-1100-7171
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Funding
Funding for this research was provided by:
The Health Systems Research Institute (HSRI) through the National Research of Thailand (58-056)
Chiang Mai University
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Article History
Received: 14 November 2019
Accepted: 25 February 2020
First Online: 4 March 2020
Compliance with ethical standards
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: None of the authors reported relevant conflicts of interest.
: Ethical approvals were obtained by the institutional review boards at all participating facilities: Faculty of Medicine, Chiang Mai University; Nakornping Hospital, Chiang Mai; and Faculty of Medicine, Prince of Songkla University. On the basis of participant information was de-identified, the informed consent was waived. This study protocol was performed in accordance with the 1964 Declaration of Helsinki as well as the amendments or comparable ethical standards. The reporting of this study was in line with the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines.
