Funding for this research was provided by:
Università degli Studi di Cagliari
Article History
Received: 3 September 2020
Accepted: 29 December 2020
First Online: 2 February 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.