Received: 5 February 2021
Accepted: 20 May 2021
First Online: 1 June 2021
Change Date: 21 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12879-021-06305-2
: All stages of the research were carried out in accordance with the current guidelines and regulations of ethics in research with human beings. The research protocol was approved by the Pan American Health Organization Ethics Review Committee (PAHOERC) under number 0204.03 and by the national ethics committee in research with human beings in Brazil, number 3,953,347. All participants agreed to participate in the study and signed a free and informed consent form.
: Not applicable.
: The authors declare that they have no conflict of interest.