1. Division of Pharmaceutical Analysis, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, St. Louis, Missouri.
2. Division of Pulmonary, Allergy and Rheumatology Products, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland.
3. Division of Pulmonary, Allergy and Rheumatology Products, Center for Drug Evaluation and Research, Formally U.S. Food and Drug Administration, Silver Spring, Maryland (currently Genentech).
4. Office of New Drug Quality Assessment, Center for Drug Evaluation and Research, Formally U.S. Food and Drug Administration, Silver Spring, Maryland (currently Teva).
5. Office of New Drug Quality Assessment, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland (Retired).
6. Division of Pharmaceutical Analysis, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, St. Louis, Missouri (Retired).