Funding for this research was provided by:
Text and Data Mining valid from 2019-12-01
Received: 26 June 2018
Accepted: 13 November 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: Patients provided written informed consent to participate in the study and to release information, according to the Spanish legislation. Permission to perform the study was obtained from the Clinical Research Ethics Committee of the University Hospital Infanta Cristina (Badajoz).
: Not applicable.
: The authors declare that they have no competing interests.