Jeong, Yeonseong
Jung, Yun Ji
Noh, Eunjin
Ha, Sungyeon
Hwang, Jeongeun
Cho, Geum Joon
Oh, Min-Jeong
Kim, Young-Han
Article History
Received: 12 May 2021
Accepted: 22 April 2022
First Online: 24 May 2022
Declarations
:
: This study was approved by the Institutional Review Boards of the Korea University Medical Center (IRB No. 2020GR0160). This committee granted an exemption from requiring informed consent. All methods were carried out in accordance with relevant guidelines and regulations. This study was performed in accordance with the declaration of Helsinki. According to the Act on the Protection of Personal Information Maintained by Public Agencies, The KNHI claims database do not contain individual identification information. Administrative permissions for the data were acquired by the authors for research purposes.
: Not applicable.
: The authors declare that they have no competing interests.