1. Departments of Research, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
2. Departments of Medicinal Chemistry, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
3. Departments of Chemical Biology and Proteomics, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
4. Departments of Drug Metabolism and Pharmacokinetics, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
5. Departments of Physical Biochemistry, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
6. Departments of Bioassays, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States