1. Department of DermatologyMinneapolis Veterans Affairs Medical Center Minneapolis Minnesota
2. Department of DermatologyUniversity of Minnesota Minneapolis Minnesota
3. University of Minnesota Medical School Minneapolis Minnesota
4. Department of DermatologyNorthwestern University Feinberg School of Medicine Chicago Illinois
5. Division of Dermatology, Sunnybrook Health Sciences CentreUniversity of Toronto Toronto Ontario Canada
6. Department of DermatologyUniversity of California San Francisco San Francisco California
7. Division of Dermatology, Royal Victoria HospitalMcGill University Montreal Quebec Canada
8. Department of MedicineDivision of Dermatology, University of Louisville Louisville Kentucky
9. Department of DermatologyPennsylvania State University State College Pennsylvania
10. Department of DermatologyColumbia University New York New York
11. Department of DermatologyUniversity of Wisconsin Medical School Madison Wisconsin
12. Department of DermatologyUniversity of Cincinnati Cincinnati Ohio
13. Department of DermatologyDuke University Durham North Carolina
14. Department of DermatologyCleveland Clinic Cleveland Ohio
15. Associates in Dermatology Fort Myers Florida
16. Division of DermatologyUniversity of Ottawa Ottawa Ontario Canada
17. Department of DermatologyKeck School of Medicine Los Angeles California
18. Department of DermatologyOhio State University Columbus Ohio
19. Department of DermatologyDartmouth‐Hitchcock Medical Center Lebanon New Hampshire