1. Nephrology and Renal Transplantation Department Hospital Clínic de Barcelona Institut d'Investigacions Biomediques August Pi I Sunyer (IDIBAPS) Universitat de Barcelona Barcelona Spain
2. Centro de Referencia en Enfermedad Glomerular Compleja del Sistema Nacional de Salud (CSUR) Barcelona Spain
3. Pathology Department Hospital Clínic de Barcelona Barcelona Spain
4. Transplant Coordination, Hospital Clínic University of Barcelona Barcelona Spain
5. Section of Nephrology Department of Medicine Boston University School of Medicine Boston Massachusetts USA