1 Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, NA, Italy.
2 Oncology Unit, Hospital 'Andrea Tortora', ASL Salerno, Pagani, Italy.
3 Centro di Referenza Nazionale per l'Analisi e Studio di Correlazione tra Ambiente, Animale e Uomo, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy.
4 Associazione O.R.A., Somma Vesuviana, Naples, Italy.
5 Department of Medicine & Health Science, University of Molise, Campobasso, Italy.
6 Department of Clinical Medicine & Surgery, University of Naples 'Federico II', Naples, Italy.