1. University of California; San Francisco
2. MGC Data Services; Carlsbad California
3. Immune Tolerance Network and Lupus Nephritis Trials Network; San Francisco California
4. Immune Tolerance Network; San Francisco California
5. Cliniques Universitaires Saint-Luc and Université Catholique de Louvain; Brussels Belgium
6. Hospital Clínic and Universitat de Barcelona; Barcelona Spain
7. Ohio State University and Wexner Medical Center; Columbus Ohio
8. Feinstein Institute for Medical Research; Manhasset New York