1. Departments of Neurology, The Medical Center of Central Massachusetts
2. Departments of Neurology, University of Massachusetts Medical School, Worcester
3. Departments of Neurology, CNS Growth Factor Research Laboratory, Department of Neurology
4. Departments of Neurology, Center for Imaging and Pharmaceutical Research, Massachusetts General Hospital
5. Departments of Neurology, Harvard Medical School, Boston
6. Departments of Neurology, Creative Biomolecules, Hopkinton, Massachusetts, U.S.A.