1. Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto University of São Paulo Ribeirão Preto São Paulo Brazil
2. Faculty of Amazonas Manaus Amazonas Brazil
3. Department of Integrated Paediatric Dentistry, School of Dentistry University of Barcelona Barcelona Spain
4. Laboratorio de Biología Periodontal, División de Estudios de Posgrado e Investigación, Facultad de Odontología Universidad Nacional Autónoma de México, Ciudad Universitaria México City México