1. Pharmacokinetics & Drug Metabolism, Amgen, Thousand Oaks, CA 91320, USA
2. One Amgen Center Drive, Mail Stop 30E-3-B, Thousand Oaks, CA 91320, USA
3. Clinical Immunology, Amgen, Thousand Oaks, CA 91320, USA
4. Currently Biologics & Vaccine Bioanalytics, Merck, Kenilworth, NJ 07033, USA