Received: 2 November 2020
Accepted: 25 March 2021
First Online: 2 April 2021
: This study was approved by the Institutional Review Board of Seoul St. Mary’s Hospital, The Catholic University of Korea (KC16OISI0856) and the participants provided written informed consent to participate in this research.
: Written, informed consent for publication was obtained from participants.
: No competing interests to declare.