[1
]
Centers for Disease Control and Prevention, Atlanta, Georgia.
[2
]
Pediatric Infectious Diseases, University of Utah, Salt Lake City.
[3
]
School of Medicine, University of California, San Francisco, San Francisco.
[4
]
Division of Health Policy and Management, University of Minnesota, Minneapolis.
[5
]
Summa Health System and Northeast Ohio Medical University, Akron.
[6
]
Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts.
[7
]
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania8University of Pennsylvania
Perelman School of Medicine, Philadelphia.
[8
]
Pew Charitable Trusts, Washington, DC.
[9
]
Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
[10
]
Minnesota Department of Health, St Paul.
[11
]
University of Pennsylvania Perelman School of Medicine, Philadelphia.
[12
]
Department of Emergency Medicine, University of California-Davis, Sacramento.
[13
]
Department of Family Medicine, Georgetown University Medical Center, Washington, DC.
[14
]
Division of General Internal Medicine, Massachusetts General Hospital, Boston.
[15
]
Division of Pediatric Infectious Diseases, Washington University School of Medicine,
St Louis, Missouri.
[16
]
Department of Otolaryngology-Head and Neck Surgery, Washington University School of
Medicine, St Louis, Missouri.
[17
]
Department of Veterans Affairs, University of Illinois at Chicago, Chicago.
[18
]
Oregon Public Health Division, Portland.
[19
]
Pacific Lutheran University, Tacoma, Washington.