1. Division of Rheumatology, Department of Medicine, Washington University in St. Louis, St. Louis, MO
2. Division of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL
3. Division of Biostatistics, Washington University in St. Louis, St. Louis, MO
4. Department of Ophthalmology, Baylor College of Medicine, Houston, TX
5. Department of Ophthalmology, Washington University in St. Louis, St. Louis, MO
6. Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO.