Funding for this research was provided by:
Wellcome Trust (213589/Z/18/Z)
Received: 1 June 2020
Accepted: 29 September 2020
First Online: 14 October 2020
Ethics approval and consent to participate
: CAAE registration number no 2.102. 890. The Research Ethics Committee approved this study with the dispensation of the application of the Free and Written Consent Term, in accordance with Directive IV.8 of Resolution number 466/2012 of the National Health Council of Brazil (approval no.2.102.890). It was carried out using secondary data provided by Health Institutions and Units after the consent of their managers.
: Not applicable.
: The authors declare that they have no competing interests.