1. Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA) University of Florence Florence Italy
2. Department of Pediatric Surgery Meyer Children's Hospital Florence Italy
3. Department of Periodontology University of Florence Florence Italy
4. Regional Hospital of Antofagasta Antofagasta Chile
5. School of Health and Society University of Salford Salford UK
6. Pediatric Dentistry and Special Dental Care Unit Meyer Children's Hospital Florence Italy