1. Department of Dermatology and Allergology Ludwig Maximilian University of Munich Frauenlobstraße 9–11 80337 Munich Germany
2. Department of Dermatology University of Rochester Medical Center Rochester NY U.S.A
3. Oregon Medical Research Center Portland OR U.S.A
4. Department of Dermatology Oregon Health & Science University Portland OR U.S.A
5. Regeneron Pharmaceuticals, Inc. Tarrytown NY U.S.A
6. Sanofi Genzyme Cambridge MA U.S.A
7. Sanofi Bridgewater NJ U.S.A