1. Department of Dermatology University of California San Francisco San Francisco California USA
2. Department of Dermatology Medical College of Wisconsin Milwaukee Wisconsin USA
3. Division of Dermatology Children's Mercy Hospitals and Clinics Kansas City Missouri USA
4. Department of Pediatrics/Hematology Lenox Hill Hospital, Northwell Health New York New York USA
5. Department of Dermatology Indiana University School of Medicine Indianapolis Indiana USA
6. Department of Pediatrics Indiana University School of Medicine Indianapolis Indiana USA
7. Department of Dermatology Texas Children's Hospital, Baylor College of Medicine Houston Texas USA
8. Department of Dermatology Columbia University New York New York USA
9. Department of Pediatrics Columbia University New York New York USA
10. Division of Dermatology David Geffen School of Medicine at University of California Los Angeles California USA
11. Division of Dermatology, Department of Pediatrics Nationwide Children's Hospital, The Ohio State University College of Medicine Columbus Ohio USA
12. Hospital Sant Joan de Deu Barcelona Spain
13. Department of Dermatology and Pediatrics Mayo Clinic Rochester Minnesota USA
14. Division of Dermatology, Department of Pediatrics Sainte‐Justine University Hospital Center, University of Montreal Montreal Quebec Canada
15. Department of Pediatrics Feinberg School of Medicine, Northwestern University and Ann and Robert H. Lurie Children's Hospital of Chicago Chicago Illinois USA
16. Department of Dermatology Feinberg School of Medicine, Northwestern University and Ann and Robert H. Lurie Children's Hospital of Chicago Chicago Illinois USA
17. Department of Dermatology University of Texas Health Science Center‐San Antonio San Antonio Texas USA
18. Department of Dermatology, Faculty of Medicine Pontificia Universidad Católica de Chile Santiago Chile
19. Department of Dermatology University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine Cleveland Ohio USA