1. 1Department of Medical, Oral and Biotechnological Sciences, 'G. d’Annunzio' University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti (CH), Italy
2. 2Department of Infectious, Parasitic and Immune-mediated Diseases, Italian National Health Institute, Viale Regina Elena 299, 00161 Rome, Italy
3. 3Centro Nazionale Sostanze Chimiche, Cosmetici e Protezione del Consumatore, Italian National Health Institute, Viale Regina Elena 299, 00161 Rome, Italy
4. 4Department of Medicine, Campus Biomedico University, Via Alvaro del Portillo 200, 00128 Rome, Italy