1. Transplantation Research Center, Division of Nephrology, Children's Hospital and Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
2. Department of Medicine & Surgery, San Raffaele Scientific Institute, Milan, Italy
3. Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
4. Department of Surgery, University of Geneva, Geneva, Switzerland
5. Autoimmunity, Transplantation and Inflammation and Global Discovery Chemistry, Novartis Institutes for Biomedical Research, Basel, Switzerland
6. Department of Pathology, Ospedale di Circolo and Department of Human Morphology, University of Insubria, Varese, Italy
7. Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
8. Facolta di Scienze Motorie, Università di Milano, Milan, Italy