Pereira, Jaqueline Lopes
Vieira, Diva Aliete dos Santos
Alves, Maria Cecília Goi Porto
César, Chester Luís Galvão
Goldbaum, Moisés
Fisberg, Regina Mara
Article History
Received: 1 February 2018
Accepted: 16 November 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: This survey was approved by the Ethics Committee on Research of the School of Public Health, University of São Paulo (reference number # 56958916.5.0000.5421). Written informed consent/assent was obtained before commencement of the study from all subjects and, when adolescent, also from their proxies.
: Not applicable.
: The authors declare that they have no competing interests.
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