1. Department of Neurology, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts
2. Dominican University, River Forest, Illinois
3. David Geffen School of Medicine, University of California, Los Angeles, Los Angeles
4. Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles, Los Angeles
5. Health Systems Science Department, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California