Muresu, Narcisa
Sotgiu, Giovanni http://orcid.org/0000-0002-1600-4474
Saderi, Laura
Sechi, Illari
Cossu, Antonio
Marras, Vincenzo
Meloni, Marta
Martinelli, Marianna
Cocuzza, Clementina
Tanda, Francesco
Piana, Andrea
Article History
Received: 26 August 2020
Accepted: 30 September 2020
First Online: 22 October 2020
Ethics approval and consent to participate
: It is waived being not requested by the Italian law a mandatory ethical approval for observational retrospective studies (GU No. 76 31/Mar/2008).
: Not applicable.
: The authors declare that they have no conflict of interest.