1. University of Wisconsin-Madison, Madison, Wisconsin
2. Washington University in St. Louis, St. Louis, Missouri
3. Massachusetts General Hospital, Boston, Massachusetts
4. Boston University, Boston, Massachusetts
5. Department of Pediatrics, Emory University and Children’s Healthcare of Atlanta, Atlanta, Georgia
6. National Institute of Allergy and Infectious Disease, National Institutes of Health, Rockville, Maryland
7. University of Texas Southwestern, Dallas, Texas
8. Vanderbilt University, Nashville, Tennessee
9. Cincinnati Children’s Hospital, Cincinnati, Ohio
10. Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia
11. University of Turku, Turku, Finland
12. Universities of Oulu, Oulu, Finland
13. Columbia University, New York, New York
14. Henry Ford Health Systems, Detroit, Michigan
15. University of Western Australia, Perth, Western Australia, Australia
16. Rho Inc., Chapel Hill, North Carolina
17. University of Colorado, Denver, Colorado
18. Penn State University, Hershey, Pennsylvania
19. University of Chicago, Chicago, Illinois
20. George Washington University, Washington, DC
21. Harvard Medical School, Boston, Massachusetts
22. Northwestern University, Chicago, Illinois
23. Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia; and
24. Johns Hopkins University, Baltimore, Maryland