1. Dentistry Unit, Management Innovations, Diagnostics and Clinical Pathways, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy
2. Clinical Pathways and Epidemiology Unit, Medical Direction, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy
3. UNESCO Chair in Health Education and Sustainable Development, Dentistry Section, University of Naples “Federico II”, 80138 Napoli, Italy
4. U.N.—E.U. International Research Project on Human Health, Oral Health Section, 1200 Geneve, Switzerland