Funding for this research was provided by:
Catholic Medical Center Research (S-2017-130001-0023)
Received: 10 April 2020
Accepted: 28 July 2020
First Online: 1 August 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of Seoul St. Mary’s Hospital, The Catholic University of Korea (approval no. KC17RESI0365) and has been registered with the Clinical Research Information Service of Korea National Institute of Health (CRIS, identification number: KCT0002061). Each patient provided written and oral informed consent.
: Not applicable.
: The authors declare no competing interests.