Park, Yong Eun
Park, Soo Jung
Park, Jae Jun
Cheon, Jae Hee
Kim, TaeIl
Kim, Won Ho
Article History
Received: 17 September 2020
Accepted: 12 January 2021
First Online: 21 January 2021
Ethics approval and consent to participate
: This study was performed in accordance with the ethical guidelines of the 1975 Declaration of Helsinki and was approved by the institutional review board of Severance Hospital (2020-1271-001).
: Not Applicable.
: The authors declare no conflict of interest.