1. University of California San Francisco San Francisco California USA
2. Intermountain Healthcare Salt Lake City Utah USA
3. School of Medicine and Public Health University of Wisconsin Madison Wisconsin USA
4. Ann & Robert H. Lurie Children's Hospital of Chicago/Northwestern University Feinberg School of Medicine Chicago Illinois USA
5. The Hospital for Sick Children University of Toronto Toronto ON Canada
6. Columbia University Vagelos College of Physicians and Surgeons New York New YorkUSA
7. Medical College of Wisconsin Milwaukee Wisconsin USA
8. Seattle Children’s Hospital University of Washington School of Medicine Seattle Washington USA
9. Indiana University Indianapolis Indiana USA
10. Mayo Clinic Rochester Minnesota USA
11. Hospital Sant Joan de Deu Barcelona Spain
12. Harvard Medical School Boston Massachusetts USA
13. University of Missouri – Kansas City Kansas City Missouri USA
14. Division of Pediatric Dermatology Department of Pediatrics Sainte‐Justine University Hospital Centre University of Montreal Montreal QC Canada
15. Baylor College of Medicine Houston Texas USA
16. University of Minnesota Minneapolis Minnesota USA