1. Department of Interventional Cardiology; Hospital Das Clínicas, Universidade Federal De Minas Gerais; Belo Horizonte Brazil
2. Department of Statistics; Institute of Exact Sciences, Universidade Federal De Minas Gerais; Belo Horizonte Brazil
3. Department of Internal Medicine, School of Medicine; Universidade Federal De Minas Gerais; Belo Horizonte Brazil
4. Department of Interventional Cardiology; Heart Institute, University of São Paulo Medical School; São Paulo Brazil