1. Office of Clinical Pharmacology, Office of Translational Sciences, Center for Drug Evaluation and Research, United States Food and Drug Administration; Silver Spring Maryland USA
2. Merck & Co, Inc, Kennilworth; New Jersey USA
3. Bill & Melinda Gates Foundation; Seattle Washington USA
4. Office of Generic Drugs, Center for Drug Evaluation and Research, United States Food and Drug Administration; Silver Spring Maryland USA
5. Current affiliation: Merck KGaA; Darmstadt Germany