1 Nephrology and Dialysis Center, Oswaldo Cruz German Hospital, São Paulo, Brazil; Nephrology Division, University of São Paulo School of Medicine, São Paulo, Brazil. Electronic address: [email protected].
2 Nephrology and Dialysis Center, Oswaldo Cruz German Hospital, São Paulo, Brazil; Internal Medicine Service, Oswaldo Cruz German Hospital, São Paulo, Brazil.
3 Internal Medicine Service, Oswaldo Cruz German Hospital, São Paulo, Brazil.
4 Pathology Service, Oswaldo Cruz German Hospital, São Paulo, Brazil.