,
Choi, Jah Yeon
Choi, Cheol Ung http://orcid.org/0000-0003-2815-9358
Choi, Byoung Geol
Park, Yoonjee
Kang, Dong Oh
Jang, Won Young
Kim, Woohyeun
Na, Jin Oh
Kim, Jin Won
Kim, Eung Ju
Rha, Seung-Woon
Park, Chang Gyu
Seo, Hong Seog
Jeong, Myung Ho
Chae, Sung-Chull
Seong, In-Whan
Yoon, Chang-Hwan
Cha, Kwang Soo
Oh, Seok Kyu
Funding for this research was provided by:
Research of Korea Centers for Disease Control and Prevention (2016-ER6304-02)
Article History
Received: 16 June 2020
Accepted: 25 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Korea University (IRB No. 2016GR0740) and the Institutional Review Board of each participating hospital. All participants provided written informed consent. Permission to analyze the data was also granted by KAMIR-NIH registry executive.
: Not applicable.
: The authors declare that they have no competing interests.