Kim, Dae Hyun
Noh, Ha Jeong
Funding for this research was provided by:
Chosun University
Article History
Received: 13 March 2020
Accepted: 26 December 2020
First Online: 18 January 2021
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the Institutional Review board of Chosun University Medical. After the major revision, the period and sample size of this study increased, which was also approved (IRB No. 2020-02-015). Consent to participate is not applicable due to retrospective design of this study.
: Not applicable.
: The authors declare that they have no competing interests.