1 John F. Hardesty, MD Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Missouri, USA.
2 Department of Medicine and RVCL Research Center, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.
3 Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA.
4 Departments of Medicine and Microbiology, Colton Center for Autoimmunity, and RVCL Research Center, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.
5 Department of Medicine, Washington University, St. Louis, Missouri, USA.