Received: 24 February 2021
Accepted: 6 August 2021
First Online: 16 August 2021
: This retrospective case-control study was approved by our institutional review board (Approved number; 32–243(10324)), and the requirement to obtain informed consent for participating in this study from the patients was waived.
: No identifiable patient figures were used, therefore written informed consent was not necessary.
: There are no competing interests to declare.