1. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota2Department of Neurology, Mayo Clinic, Rochester, Minnesota
2. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota2Department of Neurology, Mayo Clinic, Rochester, Minnesota3Department of Immunology, Mayo Clinic, Rochester, Minnesota
3. The Permanente Medical Group, Oakland, California
4. Kaiser Permanente Division of Research, Oakland, California
5. Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley
6. Palm Drive Hospital, Sebastopol, California
7. Kaiser Permanente Division of Research, Oakland, California6Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley