Funding for this research was provided by:
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (203.018/2016)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (301846/2017)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brasil (Finance Code 001)
Received: 30 April 2019
Accepted: 9 January 2020
First Online: 23 January 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Human Research Ethics Committee of the University Hospital Clementino Fraga Filho (number 008/15) and no Informed Consent was required, since data were exclusively grouped and analyzed under confidential and anonymous circumstances. Only researchers had access to individual data, which are not characterized nor disclosed under any circumstances. Data used in this study was anonymized before its use.
: Not applicable.
: The authors declare that they have no conflict of interest.