1. Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
2. Therapeutic Discovery, Amgen Research, Amgen Inc., 1120 Veterans Blvd., South San Francisco, California 94080, United States
3. Pharmacokinetics and Drug Metabolism, Amgen Research, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
4. Neuroscience Research, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States