1. Department of Dermatology George Washington University School of Medicine Washington District of Columbia USA
2. Department of Dermatology, Feinberg School of Medicine Northwestern University Chicago Illinois USA
3. Division of Dermatology, Sunnybrook Health Sciences Centre University of Toronto Toronto Ontario Canada
4. Department of Dermatology Park Nicollet Health Services Minneapolis Minnesota USA
5. Department of Dermatology University of Minnesota Minneapolis Minnesota USA
6. Department of Dermatology Minneapolis Veterans Affairs Medical Center Minneapolis Minnesota USA
7. Department of Dermatology University of California San Francisco San Francisco California USA
8. Department of Dermatology Duke University Medical Center Durham North Carolina USA
9. Department of Dermatology Columbia University Medical Center New York New York USA
10. Department of Dermatology Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire USA
11. Department of Dermatology Cleveland Clinic Cleveland Ohio USA
12. Division of Dermatology, Montreal General Hospital McGill University Montreal Quebec Canada
13. Associates in Dermatology Fort Myers Florida USA
14. Department of Dermatology Keck School of Medicine Los Angeles California USA
15. Division of Dermatology University of Ottawa Ottawa Ontario Canada
16. Department of Dermatology University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
17. Division of Dermatology University of Louisville Louisville Kentucky USA
18. Department of Dermatology Ohio State University Columbus Ohio USA
19. Department of Dermatology Pennsylvania State University State College Pennsylvania USA
20. Department of Dermatology University of Colorado Anschutz Medical Campus Aurora Colorado USA
21. Department of Dermatology Rocky Mountain Regional Veterans Affairs Medical Center Aurora Colorado USA
22. Division of Dermatology, CHU de Quebec Laval University Quebec Quebec Canada