1. Pharmaceutical Sciences, Merck & Co., Inc., West Point, Pennsylvania, USA
2. Pharmacokinetics, Pharmacodynamics and Drug Metabolism, Merck & Co., Inc., West Point, Pennsylvania, USA
3. Safety Assessment and Laboratory Animals Research, Merck & Co., Inc., West Point, Pennsylvania, USA
4. Infectious Diseases Discovery Research, Merck & Co., Inc., West Point, Pennsylvania, USA