1. Infectious Disease Program, Lovelace Respiratory Research Institute (LRRI), 2425 Ridgecrest Drive SE, Albuquerque, New Mexico 87108
2. Department of Respiratory Disease Research, Naval Health Research Center (NHRC), 140 Sylvester Rd., San Diego, California 92106-3521
3. Department of Virus Diseases, Walter Reed Army Institute of Research (WRAIR), 503 Robert Grant Avenue, Silver Spring, Maryland 20910
4. Biodefense Center, Headquarters for Medical Corps, Singapore Armed Forces, 701 Transit Road 04-01, Singapore 778910, Republic of Singapore
5. Detection and Diagnostics Laboratory, Defense Medical and Environmental Research Institute, DSO National Laboratories, 27 Medical Drive, Singapore 117510, Republic of Singapore