1. Ibirapuera University; MSc Dentistry Program; Rua da Moóca, 2518 Cj 13 São Paulo SP Brazil 03104-002
2. El Bosque University; Unit of Basic Oral Investigation (UIBO); Bogota Colombia
3. Private practice; Londrina PR Brazil
4. UCL Eastman Dental Institute; Unit of Periodontology; London UK
5. Private practice; Milan Italy
6. Tuscany Academy of Dental Research (ATRO); Florence Italy