Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Finance code 001)
Received: 10 February 2020
Accepted: 6 May 2020
First Online: 21 May 2020
Ethics approval and consent to participate
: Research Ethics Commitee Involving Human Beings – Londrina State University - Brazil.Commitee’s reference number: 3.362.155.Since there was no direct approach with individuals but only with medical records, the Research Ethics Commitee Involving Human Beings from Londrina State University waived the use of the informed consent. However, due to data manipulation, the commitee requested a term of confidentiality signed by the main reseacher, in order to guarantee data privacy.
: Not Applicable.
: The authors declare that they have no competing interests.