Martinez-Perez, Rafael http://orcid.org/0000-0002-2896-2346
Tsimpas, Asterios
Rayo, Natalia
Cepeda, Santiago
Lagares, Alfonso
Article History
Received: 25 November 2019
Revised: 20 January 2020
Accepted: 17 February 2020
First Online: 7 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent and ethical approval were not deemed necessary by the local ethics in view of the design of the study (retrospective) and the application of strict patient privacy regulations operating in our center (cadavers were unidentified).
: Our work was approved by the investigational review board of our institution, which waved the need for informed consent in light of the retrospective design of the study and the application of strict patient privacy regulations.