Funding for this research was provided by:
National Institute for Environmental Studies of Japan (Climate Change Adaptation Research Program)
Environmental Restoration and Conservation Agency (S-14-5)
Ministry of Environment (2014001310010)
National Research Foundation (2017R1C1B2002663)
Ministry of Education (NRF-2018R1D1A1B07049034)
Received: 13 September 2018
Accepted: 21 May 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of the National Health Insurance Medical Center, Goyang, South Korea (IRB No.: NHIMC 2017–12-020). All methods were performed in accordance with the relevant guidelines and regulations. NEDIS provided the data after encryption to protect private information. Therefore, the need for informed consent was waived.
: Not applicable
: The authors declare that they have no competing interests.