1. Department of Microbiology and Immunology; Tulane University School of Medicine; New Orleans Louisiana
2. HHV-6 Foundation; Santa Barbara California
3. Department of Pediatrics; University of Washington; Seattle Washington
4. Clinical Research Division, Fred Hutchinson Cancer Research Center; University of Washington; Seattle Washington
5. Department of Hematology-Oncology and Cancer Biology, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts
6. Viral Pathogenesis Section, Laboratory of Immunoregulation (LIR), National Institute of Allergy and Infectious Diseases (NIAID); National Institutes of Health (NIH); Bethesda Maryland
7. Section of Microbiology and Medical Genetics, Department of Medical Sciences; University of Ferrara; Ferrara Italy