1. Research Fellow, Department of Orthodontics, University of Genoa, Italy.
2. Private practice, Siena, Italy.
3. Research Fellow, Tuscan School of Dental Medicine, University of Siena, Italy.
4. Research Fellow, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milano, Italy.
5. Professor, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milano, Italy.
6. Professor, Tuscan School of Dental Medicine, University of Siena, Italy.
7. Professor, Department of Orthodontics, University of Genoa, Italy.
8. Professor, Department of Orthodontics, University of Insubria, Varese, Italy.