Kim, Jeonghoon
Shim, In-Keun
Won, Soo Ran
Ryu, Jungmin
Lee, Jongchun
Chung, Hyen-Mi
Article History
Received: 29 January 2021
Accepted: 4 June 2021
First Online: 6 July 2021
Declarations
:
: Our investigation was based on KoNEHS cycle 3 (2015–2017), which was approved by the institutional review board of the National Institute of Environmental Research in Korea (NIER-2016-BR-003-01, NIER-2016-BR-003-03). All participants provided written informed consent. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors have no conflicts of interest to declare.