1 Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.
2 Clinical Department of Laboratory Services and Public Health-Legal Medicine Unit, University of Campania "Luigi Vanvitelli", Via Luciano Armanni 5, 80138 Naples, Italy.
3 Pathology Section, Federico II University, Via Sergio Pansini 5, 80131 Napoli, Italy.