1. Public Health - Seattle & King County; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington; and Department of Epidemiology, University of Washington, Seattle, Washington (E.J.C.)
2. Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington (J.B.L.)
3. Department of Pediatrics, University of Washington, and Division of Infectious Diseases, Seattle Children’s Hospital, Seattle, Washington (D.M.Z.)
4. EvergreenHealth, Kirkland, Washington (F.X.R.)
5. Pediatric Infectious Diseases, Mary Bridge Children’s Hospital, Multicare Health System, Tacoma, Washington (M.F.)
6. Vaccine and Infectious Diseases, Fred Hutchinson Cancer Center, Seattle, Washington (S.A.P.)
7. Section of Infectious Diseases, Virginia Mason Medical Center, Seattle, Washington (C.S.B.)
8. Infectious Disease, Swedish Medical Center, Seattle, Washington (J.P.)
9. Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington, and Snohomish County Health Department, Everett, Washington (J.L.)
10. Public Health - Seattle & King County, and Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington (J.S.D.).