1. Office of Surveillance and EpidemiologyUS Food and Drug Administration Silver Spring Maryland USA
2. Acumen, LLC Washington DC USA
3. Office of BiostatisticsCenter for Drug Evaluation and ResearchUS Food and Drug Administration Silver Spring Maryland USA
4. Office of Pharmaceutical QualityUS Food and Drug Administration Silver Spring Maryland USA
5. Department of EconomicsStanford University Stanford California USA
6. Centers for Medicare & Medicaid Services Baltimore Maryland USA