1. UFMG, Belo Horizonte, MG, Brazil
2. HC-UFMG, Belo Horizonte, MG, Brazil
3. Baleia Hospital, Belo Horizonte, MG, Brazil
4. Felício Rocho Hospital, Belo Horizonte, MG, Brazil
5. UNIFESP, São Paulo, SP, Brazil
6. Mater Dei Hospital, Belo Horizonte, MG, Brazil
7. Madre Teresa Hospital, Belo Horizonte, MG, Brazil