Kim, Sun Hyu
Kim, Sunpyo
Cho, Gyu Chong
Lee, Ji Hwan
Park, Eun Jung
Lee, Duk Hee
Article History
Received: 29 November 2020
Accepted: 8 March 2021
First Online: 20 March 2021
Declarations
:
: This study was reviewed and approved by Ulsan University Hospital Institutional Review Board (UUH-IRB-2020-09-031).Informed consent was exempted by the institutional review board due to retrospective study. The data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.