Rodriguez-Ramos, M. A.
Santos-Medina, M.
Article History
Received: 28 June 2020
Revised: 15 September 2020
Accepted: 19 September 2020
First Online: 20 July 2021
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest . The authors declare that they have no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects . This study was approved by the institutional review board, and written informed consent was waived because of the retrospective study design.