1. University of Calgary , Calgary, Alberta , Canada
2. Davis School of Medicine, University of California , Sacramento, California , USA
3. Ann and Robert H. Lurie Children’s Hospital of Chicago, Northwestern University , Chicago, Illinois , USA
4. Public Health Agency of Canada , Ottawa, Ontario , Canada
5. Hospital Nacional de Niños ¨Dr. Carlos Sáenz Herrera”, CCSS , San José , Costa Rica
6. University of Alabama at Birmingham , Birmingham, Alabama , USA
7. Children’s National Hospital , Washington, DC , USA
8. University of Southern California , Los Angeles, California , USA
9. Children’s Minnesota , Minneapolis, Minnesota , USA
10. Washington University School of Medicine , St.Louis, Missouri , USA
11. St.Mary’s Medical Center , West Palm Beach, Florida , USA
12. University of the Basque Country, UPV/EHU Bilbao , Basque Country , Spain
13. University of Ottawa , Ottawa, Ontario , Canada
14. Montefiore-Nyack Hospital , Nyack, NewYork, New York , USA
15. University of California San Diego , San Diego, California , USA
16. Harvard Medical School , Boston, Massachusetts , USA
17. Hospital for Sick Children , Toronto, Ontario , Canada
18. University of Auckland , Auckland, Auckland , New Zealand
19. Children’s Hospital of Eastern Ontario , Ottawa, Ontario , Canada
20. Central Michigan University , Detroit, Michigan , USA
21. University of Louisville , Louisville, Kentucky , USA
22. Hospital Universitario Miguel Servet , Zaragoza , Spain
23. University of British Columbia , Vancouver, British Columbia , Canada
24. Duke-NUS Medical School, SingHealth Duke-NUS Global Health Institute , Singapore
25. UPMC Children’s Hospital of Pittsburgh , Pittsburgh, Pennsylvania , USA
26. University of Michigan School of Medicine , Ann Arbor, Michigan , USA
27. Primary Children’s Hospital, Intermountain Healthcare , Salt Lake City, Utah , USA
28. University of Western Australia , Perth, Western Australia , Australia
29. Children’s Hospital of Philadelphia , Philadelphia, Pennsylvania , USA
30. Universidad Privada del Pacífico , San Lorenzo , Paraguay
31. Hospital de Pediatría “Prof. Dr. Juan P. Garrahan,” RIDEPLA , Buenos Aires , Argentina
32. Medical College of Wisconsin , Milwaukee, Wisconsin , USA
33. Schulich School of Medicine & Dentistry , London, Ontario , Canada
34. Ann and Robert H Lurie Children’s Hospital of Chicago , Chicago, Illinois , USA
35. McMaster Children’s Hospital , Hamilton, Ontario , Canada
36. Columbia University Irving Medical Center , NewYork, New York , USA
37. Children’s Healthcare of Atlanta, Emory University School of Medicine , Atlanta, Georgia , USA
38. ASST Spedali Civili di Brescia—Pronto Soccorso Pediatrico , Brescia , Italy
39. University of Colorado , Aurora, Colorado , USA
40. University of Cincinnati College of Medicine , Cincinnati, Ohio , USA
41. University of Manitoba , Winnipeg, Manitoba , Canada
42. Centers for Disease Control and Prevention , Atlanta, Georgia , USA
43. Dalhousie University , Halifax, Nova Scotia , Canada
44. Lincoln Medical Center, Bronx NewYork , New York , USA
45. University of Alberta , Edmonton, Alberta , Canada
46. Hospital Francesc de Borja , Gandia , Spain