López-Mendoza, Francisco Javier
Mejia, Alexander Cardenas
Article History
Received: 29 April 2021
Accepted: 7 September 2021
First Online: 5 October 2021
Declarations
:
: Francisco Javier López Mendoza and Alexander Cardenas Mejia declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This is a retrospective observational study. The Hospital Angeles Pedregal Research Ethics Committee has confirmed that no ethical approval is required.
: Patients signed informed consent and approved the use of their clinical files.