Received: 7 August 2020
Accepted: 11 March 2021
First Online: 25 March 2021
: All analysis and methods of this study have been performed in accordance with the Declaration of Helsinki (last update, Fortaleza, Brazil 2013) and existing relevant guidelines and regulations in Spain. This work was also approved by the Clinical Research Ethics Committee of the IDIAP Jordi Gol (project code: 20/130-P), including a waiver for the informed consent of patients taking part in the study. There was no patient or public involvement in this study.
: Not applicable.
: The authors declare that they have no competing interests.