Kim, Jung Youn
Yoon, Min Jae
Park, Ji Eun https://orcid.org/0000-0002-4419-4682
Choi, Eun Jung
Lee, Jongho
Kim, Ho Sung
Funding for this research was provided by:
Korea Centers for Disease Control & Prevention (1720030)
National Research Foundation of Korea (NRF-2017R1C1B2007258)
Article History
Received: 11 May 2019
Accepted: 27 June 2019
First Online: 9 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (Reference no. 2018-0003) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: The requirement for informed patient consent was waived for this retrospective study.