1Community Health, Jundiai Medical School, Francisco Telles, 250, P.O. Box1295, Jundiaí, SP 13202-550 Brazil
2Community Health Graduate Program, Piracicaba Dental School, University of Campinas, Avenida Limeira 901, P.O. Box 52, Piracicaba, SP 13414-018 Brazil
3Dental Public Health Discipline, Faculty of Dentistry, University of Toronto, Canada, 124 Edward Street, Toronto, ON M5G 1G6 Canada
4Department of Community Dentistry, Piracicaba Dental School, University of Campinas, Brazil, Avenida Limeira 901, P.O. Box 52, Piracicaba, SP 13414-018 Brazil
© The Author(s). 2017
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