Original article G. Gallo Corresponding Author E-mail address: gaethedoctor@alice.it https://orcid.org/0000-0003-1066-4671 Department of Medical and Surgical Sciences, University of Catanzaro, Catanzaro, Italy Correspondence to : Gaetano Gallo, Department of Medical and Surgical Sciences, University of Catanzaro, Viale Europa, 88100 Catanzaro, Italy. E-mail: E-mail address: gaethedoctor@alice.it Search for more papers by this author on behalf of AS, FP, VDS and GG are joint first authors.