1. Department of Clinical and Experimental Medicine School of Dentistry University of Foggia Foggia Italy
2. Department of Periodontology Eastman Institute for Oral Health University of Rochester Rochester NY
3. Dental Officer, Dental Health Unit MARINFERM, Italian Navy La Spezia Italy
4. Private practitioner Ispra VA Italy
5. Private practitioner Salus Oris srl Vallesaccarda, AV Italy
6. Department of Prosthodontics Eastman Institute for Oral Health University of Rochester Rochester NY