Received: 17 January 2020
Accepted: 16 April 2020
First Online: 9 May 2020
Ethics approval and consent to participate
: This cadaveric study was approved by the Institutional Review Board of the University of Barcelona and conducted in accordance with the bylaws of the Bioethics Committee of the “Unitat d’ Anatomia i Embriologia humana” of the Faculty of Medicine, University of Barcelona, Spain (Campus Clinic). Consent for the storage and use of the bodies for research purposes was given by all body donors before death or by their next of kin.
: Not applicable.
: The authors declare that they have no competing interests.