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Authors
Han, Song Yi
Jang, Hye Young
Ko, Young
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Article History
Received: 19 May 2021
Accepted: 30 May 2022
First Online: 7 June 2022
Declarations
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: This study was conducted in accordance with the Declaration of Helsinki. The 2017 NSOK protocol was approved by the institutional review board (IRB) of Korea Institute for Health and Social Affairs (No 2017–11). Written informed consent was obtained from the participants for data 2017 NSOK data collection. We were provided the data from the public data portal (data.go.kr) after the institution’s application and subsequent approval. The protocol for secondary analysis via the use of these data was approved by IRB of Gachon University (IRB No.1044396–202102-HR-030–01). Written consent was waived by the IRB of Gachon University since the data set of the 2017 NSOK was completely anonymized under strict confidentiality guidelines.
: Not applicable.
: We have no conflict of interest to disclose.
