Pinna, Roberto http://orcid.org/0000-0002-9595-8953
Milia, E.
Usai, P.
Crivelli, P.
Pagano, S.
Sotgiu, G.
Schmalz, G.
Article History
Received: 27 April 2018
Accepted: 22 September 2019
First Online: 14 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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.The protocol and informed consent forms were approved by the Ethics Committee of the University of Sassari (no. 1000/CE).The study followed CONSORT guidelines and was registered at the US National Institutes of Health (ClinicalTrials.gov) # NCT02766127.
: Informed consent was obtained from all individual participants included in the study.