Medical Progress

From the Department of Medicine, Section of Nephrology, University of Chicago, Chicago (J.S.L.); the Department of Obstetrics and Gynecology, University of Utah, Salt Lake City (D.W.B.); and the Department of Medicine, Division of Rheumatology, Research Institute of the McGill University Health Centre, Montreal (J.R.). Address reprint requests to Dr. Rauch at the Montreal General Hospital Research Institute, 1650 Cedar Ave., Montreal, QC H3G 1A4, Canada, or at [email protected].