1. Department of Medicine, Nephrology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
2. Hospital Israelita Albert Einstein, Instituto Israelita de Ensino e Pesquisa, São Paulo, Brazil
3. Department of Biochemistry and Immunology, Faculty of Medicine at Ribeirao Preto – University of São Paulo, Ribeirão Preto, Brazil
4. Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, São Paulo, Brazil