Funding for this research was provided by:
Ministério da Saúde (176-2017)
Received: 10 April 2019
Accepted: 31 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: The protocol was approved by the Ethics Committee of the Federal University of São Paulo (protocol #2806301) and the Ethics Committee of the Municipal Health Secretariat (protocol #3099865). Consent to participate in the study will be obtained from the schools’ directors, the students and the parents. All students will take part voluntarily after having given their free and informed consent based on the autonomy of adolescents guaranteed by the Brazilian Statute of the Child and Adolescent (Law No. 8069/1990). Moreover, parents will receive a writing informed consent of the study from the directors of Sao Paulo schools and can recommend non-participation in data collection if they prefer. However, participation in the intervention is part of the school curriculum and is mandatory for all the students in the participating schools.
: No applicable.
: Zila M Sanchez is a member of the editorial board of this journal. The other authors have no competing interests.