1. Department of Health, “Magna Graecia” University of Catanzaro, Viale Europa, Loc. Germaneto, 88100 Catanzaro, Italy
2. School of Orthodontics, Department of Neurosciences, Reproductive Sciences and Oral Sciences University of Naples “Federico II”, Via Pansini 5, 80131 Naples, Italy
3. Department of Orthodontics, University Vita Salute San Raffaele, Milan, Italy
4. Research in Dentofacial Orthopedics, Orthodontics and Pediatric Dentistry, Research Area in Oral Pathology and Implantology, IRCCS San Raffaele Hospital, Via Olgettina 58, 20132 Milan, Italy
5. Postgraduate School of Orthodontics, Università Cattolica del Sacro Cuore, Largo A. Gemelli 8, 00168 Rome, Italy