López-Toribio, María
Bravo, Paulina
Llupià, Anna
Article History
Received: 25 January 2021
Accepted: 13 August 2021
First Online: 17 September 2021
Declarations
:
: Ethical approval was granted from the Clinical Research Ethics Committee of the Hospital Clinic of Barcelona (Reference number: HCB/2017/1069). This study complied with the basic ethical principles contained in the Helsinki Declaration in its most recent version, from 2013. All participants signed a written informed consent form prior to their participation in this study.
: Not applicable.
: The authors declare that they have no competing interests.