1. Duke Clinical Research Institute, Durham, North Carolina
2. medical student at University of North Carolina School of Medicine, Chapel Hill3currently with Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, Maryland
3. Division of Neurology, Massachusetts General Hospital, Boston
4. Brigham and Women’s Hospital Heart and Vascular Center and Harvard Medical School, Boston, Massachusetts
5. Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada7Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
6. Department of Epidemiology, Michigan State University, East Lansing
7. Department of Neurology, Duke University Medical Center, Durham, North Carolina
8. Division of Cardiology, University of California, Los Angeles