1. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA;
2. Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA;
3. Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA;
4. Institute of Medical Microbiology and Hygiene, University of Regensburg, Regensburg, Germany;
5. Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, Regensburg, Germany; and
6. Division of Medical Oncology, Department of Medicine, and
7. Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA