1. Virology Division, United States Army Medical Research Institute of Infectious diseases (USAMRIID), Fort Detrick, MD, USA
2. Pathology Division, United States Army Medical Research Institute of Infectious diseases (USAMRIID), Fort Detrick, MD, USA
3. Inovio Pharmaceuticals, Inc., Plymouth Meeting, PA, USA
4. Office of the Chief Scientists, Headquarters, United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, MD, USA