1. Department of Orthodontics, Vita Salute San Raffaele University, Milano, Italy.
2. Unit of Dentistry, Division of Orthodontics, Research Area in Dentofacial Orthopedics and Orthodontics, IRCCS San Raffaele Scientific Institute, Milano, Italy.
3. Unit of Dentistry, Vita Salute San Raffaele University, Milano, Italy.
4. Research Area in Oral Pathology and Implantology, IRCCS San Raffaele Hospital, Milan, Italy.
5. Department of Orthodontics, Seconda Università degli Studi di Napoli, Caserta, Italy.