1. UCB Pharma, Slough, United Kingdom
2. Department of Dermatology, Zealand University Hospital, Roskilde
3. Health Sciences Faculty, University of Copenhagen, Copenhagen, Denmark
4. ForCare Clinical Research, Tampa, Florida
5. Department of Dermatology, University of North Carolina School of Medicine, Chapel Hill
6. Park Avenue Dermatology, Orange Park, Florida
7. Medical Dermatology Specialists Inc, Atlanta, Georgia
8. UCB Pharma, Raleigh, North Carolina
9. UCB Pharma, Brussels, Belgium
10. Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany