1. Division of Emergency Medicine; Boston Children's Hospital; Department of Pediatrics; Harvard Medical School; Boston MA
2. Divisions of Infectious Diseases and Hospital Medicine; Cincinnati Children's Hospital Medical Center; Department of Pediatrics; University of Cincinnati College of Medicine; Cincinnati OH
3. Division of General Pediatrics; University of California; San Francisco CA
4. Division of Pediatric Infectious Diseases; University of Utah School of Medicine; Salt Lake City UT