1. Nephrology Department; Hospital Santo António; Centro Hospitalar do Porto; Porto Portugal
2. Transplantation Department; Hospital Santo António; Centro Hospitalar do Porto; Porto Portugal
3. Clinical Pathology Department; Hospital Santo António; Centro Hospitalar do Porto; Porto Portugal
4. Endocrinology Department; Hospital Santo António; Centro Hospitalar do Porto; Porto Portugal
5. Surgery Department; Hospital Santo António; Centro Hospitalar do Porto; Porto Portugal
6. Cellular and Molecular Nephrology Laboratory; Division of Nephrology; University of São Paulo; São Paulo Brazil