1. Nephrology and Renal Transplantation Department Hospital Clínic de Barcelona Barcelona Spain
2. Laboratori Experimental de Nefrologia I Trasplantament Institut d'Investigacions Biomèdiques August Pi I Sunyer Barcelona Spain
3. Apheresis Unit, Department of Hemotherapy and Hemostasis Hospital Clinic de Barcelona Barcelona Spain
4. Red de Investigación Renal (REDINREN) Instituto de Salud Carlos III Madrid Spain