Received: 11 July 2020
Accepted: 9 September 2020
First Online: 17 September 2020
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: This study was approved by the Institutional Review Board of Daegu Catholic University Medical Center (IRB No. CR-20-150-L) and performed in accordance with the principles of the Declaration of Helsinki.
: The patients provided written informed consent for the publication of their data and the use of their images.