[1
]
Department of Preventive and Restorative Dental Sciences, University of California
San Francisco; Division of Epidemiology, University of California Berkeley. Electronic
address: benjamin.chaffee@ucsf.edu.
[2
]
Department of Pediatric Dentistry, Universidade Luterana do Brasil, Canoas, Brazil.
[3
]
Department of Nutrition, Universidade Federal de Ciências da Saúde de Porto Alegre,
Brazil.