1. Division of Rheumatology, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
2. Division of Hospital Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
3. Department of Radiology, Washington University in St. Louis, St. Louis, MO 63110, USA
4. Meramec Dermatology, St. Louis, MO 63110, USA
5. Department of Neurology, Washington University in St. Louis, St. Louis, MO 63110, USA