1. Department of Microbiology, School of Medicine, University of Washington, Seattle, WA 98195.
2. Division of Molecular Pathology, Department of Cellular Pathology and Genetics, Armed Forces Institute of Pathology (AFIP), Washington,DC 20306
3. Department of Pathology and Laboratory Medicine, Mount Elizabeth Hospital, Singapore.
4. The Center for Forensic Medicine, Health Science Authority, Singapore.
5. Department of Microbiology, School of Medicine, and Washington National Primate Research Center, University of Washington, Seattle,WA 98195