1. Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
2. Department of Physiology and Biophysics, School of Medicine, Georgetown University, Washington, DC.
3. Discovery Translational Medicine, Pfizer, Collegeville, Pennsylvania.
4. Laboratory of Methods Development, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Rockville, Maryland.
5. Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC.
6. Biologics and Biotechnology, United States Pharmacopeia, Rockville, Maryland.
7. Department of Neurology, School of Medicine, Georgetown University, Washington, DC.