Received: 15 September 2020
Accepted: 29 November 2020
First Online: 10 December 2020
Ethics approval and consent to participate
: Institutional review board approval was not required for this retrospective study. A specific study informed consent was not necessary for inclusion in this retrospective study. A procedural written consent form has been obtained by all patients.
: Not applicable.
: The authors declare that they have no competing interests.