1. Keck School of Medicine at USC, University of Southern California, Los Angeles
2. Department of Medicine, University of Toronto, Toronto, Ontario, Canada
3. Royal Free London NHS Foundation Trust, London, England
4. Dermatology Unit B2:01, Karolinska University Hospital, Solna, Stockholm, Sweden
5. Eli Lilly and Company, Indianapolis, Indiana
6. Eli Lilly Benelux, Brussels, Belgium
7. Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois