1. Yale; School of Medicine; New Haven Connecticut
2. Department of Medicine; Boston Children's Hospital; Boston Massachusetts
3. Department of Emergency Medicine; Yale-New Haven Hospital; New Haven Connecticut
4. Department of Pediatric Emergency Medicine; Children's Healthcare of Atlanta at Egleston Atlanta Georgia
5. Department of Molecular Virology and Microbiology; Baylor College of Medicine; Houston Texas
6. Department of Emergency Medicine; Massachusetts General Hospital; Boston Massachusetts