1. Department of Dermatology Saint Louis University St Louis MO U.S.A
2. NIHR Wellcome Trust Clinical Research Facility Southampton General Hospital University of Southampton Southampton U.K
3. Department of Dermatology Nottingham University Hospitals Nottingham U.K
4. The Dermatology Centre Salford Royal NHS Foundation Trust Salford U.K
5. University of Manchester Manchester U.K
6. Allergan, Inc. Irvine CA U.S.A
7. Department of Medicine Division of Dermatology David Geffen School of Medicine University of California Los Angeles CA U.S.A
8. Kythera Biopharmaceuticals, Inc. Westlake Village CA U.S.A