Document is current

Article History

Received: 12 September 2021

Accepted: 14 December 2021

First Online: 26 January 2022

Declarations

:

: The author(s) declare(s) that here is no conflict of interest regarding the publication of this paper.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Hospital Clinic of Barcelona committee of ethics and research and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: It is an observational study; no human intervention was involved.

: All participants gave their informed consent for data collection and analysis.