Funding for this research was provided by:
Ministério da Saúde
World Health Organization
Rio Grande do Sul State Research Support Foundation
Brazilian National Research Council
National Support Program for Centers of Excellence
Overseas Development Administration
The International Development Research Center
Received: 5 March 2017
Accepted: 17 January 2018
First Online: 22 February 2018
Ethics approval and consent to participate
: The Pelotas 1982 Birth Cohort (process n°: 16/12) was approved by the Research Ethics Committee of the Federal University of Pelotas and all participants signed an informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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