Received: 4 August 2022
Accepted: 5 June 2023
First Online: 23 June 2023
: The authors declare no competing interests.
: This research has been performed in accordance with the Declaration of Helsinki and has been approved by the Research Ethics Committee of the School of Medicine of Ribeirão Preto, University of São Paulo. All stages of this cohort were submitted to the Research Ethics Committee. Before the review of records and charts of the eight maternity hospitals in 1978/79, permission was obtained from all clinical directors and the registry offices. The interviewed mothers from whom data and data of their children were collected provided oral consent and were released by their responsible physicians [CitationRef removed]. The last follow-up of the study was submitted to the Research Ethics Committee of the University Hospital, Ribeirão Preto Medical School, University of São Paulo (FMRP-USP), and was approved under number 1.282.710. The participants from 2016/17 follow-up were invited to come to the research center on a scheduled day and time. Eligible participants received information about the objectives of the study and were invited to sign the free informed consent form. Data collection was started only after the participants had signed the form.
: Not applicable.