Cohort Profile Update: 2004 Pelotas (Brazil) Birth Cohort Study follow-up during adolescent years.

"Conflict of interest None declared."

"Funding The Pelotas 2004 Birth Cohort study is conducted by the Postgraduate Program in Epidemiology at Universidade Federal de Pelotas, with the collaboration of the Brazilian Public Health Association (ABRASCO). We have received support from many agencies. Among the international agencies are the Wellcome Trust and L’Oreal/United Nations Educational, Scientific and Cultural Organization/Brazilian Academy of Science, Ministry of Health. Among the national agencies, the Brazilian National Research Council (CNPq), Brazilian Ministry of Health and Children’s Pastorate supported previous phases of the study. CNPq, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP grants no. 2014/13864–6 and 2020/07730–8) and Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul (FAPERGS) funded the 11- and 15-year follow-ups and the COVID-19 study. This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES) Finance Code 001. This research was also funded in part by the Wellcome Trust [210735_Z_18_Z]. For the purpose of open access, the author has applied a CC BY public copyright licence to any Author Accepted Manuscript version arising from this submission. L.T.R. holds a FAPERGS grant no. 21/2551–0002002-4. L.T.R., I.S.S., A.B., J.M., R.B. and A.M. are supported by CNPq."