1. Division
of Neurobiology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, 600 North Wolfe Street, CMSC 8-121, Baltimore, Maryland 21287, United States
2. Mass
Spectrometry and Proteomics Facility, Department of Biological Chemistry, Johns Hopkins University School of Medicine, 733 North Broadway Street, Suite
371 BRB, Baltimore, Maryland 21287, United States
3. Department
of Neurology and Program in Cellular and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
4. Departments
of Pharmacology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
5. Center
for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
6. Department of Neurology, Harvard Medical School, Boston, Massachusetts 02115, United States
7. CHDI Foundation/CHDI Management, Inc., Princeton, New Jersey 08540, United States