1. Faculdade de Odontologia de Araçatuba; UNESP - Univ Estadual Paulista; Araçatuba; SP; Brasil
2. UNESP - Faculdade de Odontologia de Araçatuba; UNESP - Univ Estadual Paulista; Araçatuba (SP) Brasil and ARDEC, Ariminum Odontologica; Rimini; Italy
3. Private practice; Rome; Italy
4. Faculty of Dentistry; University of Medical Science; Habana; Cuba
5. The University of Hong Kong; Prince Philip Dental Hospital; Hong Kong; SAR; China