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Authors
Choi, Jin-Sun
Ma, Deuk-Sang http://orcid.org/0000-0002-5685-4019
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Article History
Received: 16 February 2020
Accepted: 20 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: This study used data from the fourth period (2007–2009) and fifth period (2013–2015) KNHANES conducted by the Korea Centers for Disease Control and Prevention. and the study was approved by the Committee on Research Ethics at the National Statistical Office and the Centers for Disease Control and Management.
: “Not applicable”.
: The authors declare that they have no competing interests.
