1. Department of Pediatric Dentistry, School of Dentistry, Universidade Luterana do Brasil, Porto Alegre, Brazil.
2. Department of Pediatric Dentistry, School of Dentistry, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.
3. Graduate Program in Pediatrics, Child and Adolescent Health Care, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.