1. Stomatology Department, Universidade Federal do Paraná, Curitiba-PR
2. Private Practice, Curitiba-PR
3. Oral Health Department, Doutor Ulysses-PR
4. Stomatology Department, Universidade do Oeste de Santa Catarina, Joaçaba-SC
5. Clinical and Preventative Dentistry Department, Universidade Federal de Pernambuco, Recife-PE
6. Oral Pathology Laboratory, Universidade Positivo, Curitiba-PR
7. Stomatology Department, Universidade Federal do Paraná, Curitiba-PR, Brazil