1. Geneva University Hospital; Rue Gabrielle Perret-Gentil 4 1211 Geneva 14 Switzerland
2. Department of Dermatology; Brigham and Women's Hospital; 221 Longwood Avenue Boston MA 02115 U.S.A
3. Department of Dermatology; Brigham and Women's Hospital; 75 Francis Street Boston MA 02115 U.S.A
4. Comprehensive Center for Inflammation Medicine; University of Lübeck; Ratzeburger Allee 160 23435 Lübeck Germany
5. Dermatology; University Hospital; University of Utah; Clinic 28; 50 North Medical Drive Salt Lake City UT 84132 U.S.A
6. University of Utah; 50 North Medical Drive Salt Lake City UT 84132 U.S.A
7. Tufts Medical Center; 800 Washington Street, #231 Boston MA 02111 U.S.A
8. Tufts Medical Center; 800 Washington Street, #114 Boston MA 02111 U.S.A