Jang, Min Kyeong
Han, Jeehee
Kim, Sung Hae
Ko, Yun Hee
Kim, Soo Yeon
Kim, Sue
Article History
Received: 12 January 2021
Accepted: 7 July 2021
First Online: 26 July 2021
Declarations
:
: This study was approved by the Yonsei University Health Systems Severance Hospital’s Institutional Review Board (#4–2017-0164). Written informed consent was obtained from all participants. All procedures performed in this study involving human participants were conducted in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interest.