1. Bahiana School of Medicine and Public Health, BAHIANA/EBMSP, 275, Av. Dom João VI, Brotas, Salvador 40290-000, Brazil
2. UNIFACS Medical School, Salvador University (UNIFACS), Salvador 40140-110, Brazil
3. Bahiana Medical School of Federal University of Bahia, UFBA/FAMEB, PPGMS-EMBSP-Bahia Federal University, Salvador 40170-110, Brazil