Received: 21 February 2020
Accepted: 8 February 2021
First Online: 20 February 2021
Ethics approval and consent to participate
: This study was a cadaveric study that was approved according to the bylaws of the Bioethics Committee of the “Unitat d’ Anatomia i Embriologia Humana,“ Faculty of Medicine, University of Barcelona, Spain (Campus Clinic).
: Not applicable.
: The authors declare that they have no competing interests.