Received: 11 September 2021
Accepted: 28 February 2022
First Online: 5 March 2022
: The protocol of this study was submitted to and approved by the “Comite de Ética em Pesquisa envolvendo Humanos” of the STD/AIDS Referral and Training Center, São Paulo State Department of Health (Certificate: CAAE 53185116.4.0000.5375; on 03/14/2016—number 1.449.357). All the ethical statements (ethical approval, informed consent and guidelines) were performed and the Committee waived the need of informed consent. We declare that informed consent was not required and obtained as it is a retrospective study. All methods were performed in accordance with the relevant guidelines and regulations and ethics committee directions.
: Not applicable.
: The authors declare that they have no competing interests.