1. Radiation and Nuclear Countermeasures Program (RNCP), Division of Allergy, Immunology and Transplantation (DAIT), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Rockville, Maryland
2. Division of Imaging and Radiation Medicine, Center for Drug Evaluation and Research, United States Food and Drug Administration (FDA), White Oak, Maryland