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Authors
Rai, Bhim B. http://orcid.org/0000-0003-0748-4581
Morley, Michael G.
Bernstein, Paul S.
Maddess, Ted
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Article History
Received: 1 August 2019
Accepted: 6 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: This study was approved by the Research Ethics Board of Health (REBH), Ministry of Health, Royal Government of Bhutan, Thimphu, Bhutan, and adhered to the principle of Declaration of Helsinki. The consent was waived by REBH because this retrospective study collected only the de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.
