1. Department of Internal Medicine, Federal University of Santa Catarina, Santa Catarina, Brazil
2. Faculty of Medicine of Ribeirão Preto, Department of Internal Medicine, University of São Paulo, São Paulo, Brazil
3. Department of Statistics, University of Brasilia, Brasilia, Brazil
4. Faculty of Medicine, Department of Preventive Medicine, University of São Paulo, São Paulo, Brazil
5. Old Age Research Group (PROTER), Faculty of Medicine, Institute of Psychiatry, University of São Paulo, São Paulo, Brazil