1. Health Science/Primary Care Postgraduate Program, State University of Montes Claros (Unimontes), Montes Claros, MG 39401-089, Brazil.
2. Interdisciplinary Programs, CAPES, Brasília, DF 70.040-031, Brazil.
3. Health Sciences Postgraduate Program, School of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG 30130-100, Brazil.
4. University of California, San Diego, La Jolla, CA 92093–0630, USA.