Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2011/12700-1)
Faculdade de Medicina da Universidade de São Paulo
Received: 17 July 2018
Accepted: 25 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: This study was approved by the local Ethics Committee (HCFMUSP, CAPPesq, number 0114/11) and all participants signed the informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.