1. Department of Medicinal Chemistry, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
2. Department of Acute Neurology, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
3. Physical Biochemistry, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
4. Drug Metabolism and Pharmacokinetics, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States