1. Gaslini Pediatria II, Reumatologia, PRINTO, Genova, Italy
2. Lupus Foundation of America, Inc., Washington, DC, USA
3. University of Alabama at Birmingham, Birmingham, AL, USA
4. New York University Hospital for Joint Diseases, New York, NY, USA
5. University of Texas Health Science Center at San Antonio School of Medicine, San Antonio, TX, USA
6. Genentech, San Francisco, CA, USA
7. New York University School of Medicine, New York, NY, USA
8. UT Southwestern Medical Center, Dallas, TX, USA
9. Medical College of Wisconsin, Milwaukee, WI, USA
10. University of North Carolina at Chapel Hill, USA
11. Stanford University School of Medicine, Stanford, CA, USA
12. Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
13. Medical University of South Carolina, Charleston, SC, USA
14. State University of New York Downstate Medical Center, Brooklyn, NY, USA
15. University of Birmingham Medical School, Edgbaston, Birmingham, UK
16. University of California at Los Angeles, Los Angeles, CA, USA
17. University College London, Bloomsbury, London, UK
18. University of California, San Diego School of Medicine, La Jolla, CA, USA
19. Johns Hopkins Medical Institutions, Baltimore, MD, USA
20. Hospital for Special Surgery, New York, NY, USA
21. Instituto Nacional de Ciencias Médicas y Nutrición, Salvador Zubirán México, Distrito Federal, México
22. University of Utah School of Medicine, Salt Lake City, UT, USA
23. University of Pennsylvania School of Medicine, Philadelphia, PA, USA
24. Philadelphia VA Medical Center, Philadelphia, PA, USA
25. Oklahoma Medical Research Foundation, Oklahoma City, OK, USA