1. Dental School, University of Brescia, Piazzale Spedali Civili 1, 25123 Brescia, Italy
2. Pederzoli Hospital, Radiology Department, Via Monte Baldo 24, 37019 Peschiera del Garda, Italy
3. Department of Medical Sciences, Surgery and Health, Dental School, University of Trieste, Via Alfonso Valerio 32, 34128 Trieste, Italy
4. The Gnatos Center in Brescia, Viale Duca degli Abruzzi 163, 25100 Brescia, Italy