1. Department of Molecular Medicine and Medical Biotechnologies, Federico II University of Naples, Naples, Italy;
2. Centro di Ingegneria Genetica (CEINGE), Biotecnologie Avanzate, Naples, Italy;
3. Renal Division and Molecular and Vascular Medicine Division, Beth Israel Deaconess Medical Center and Department of Medicine, Harvard Medical School, Boston, MA;
4. Department of Medicine, University of Verona, Verona, Italy;
5. Division of Hematology-Oncology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA;
6. Dipartimento di Scienze biomediche avanzate, Federico II University of Naples, Naples, Italy;
7. Department of Molecular Medicine, University of Pavia, Pavia, Italy;
8. Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA;
9. Department of Laboratory Medicine, Boston Children's Hospital and Department of Pathology, Harvard Medical School, Boston, MA;
10. Division of Medicine, University College London, London, United Kingdom; and
11. Institut National de la Sante et de la Recherche Médicale (INSERM), Faculté de Médecine Paris-Sud, Université Paris-Sud, Paris, France