1. Department of Dermatology and Allergy, University of Bonn , Bonn , Germany
2. University Hospital , Bonn , Germany
3. Christine Kühne – Center for Allergy Research and Education , Davos , Switzerland
4. Department of Dermatology, Bispebjerg Hospital , Copenhagen , Denmark
5. Clinical Medicine, Trinity College Dublin , Dublin , Ireland
6. Department of Dermatology, Saitama Medical University , Saitama , Japan
7. Eli Lilly and Company , Indianapolis, IN , USA
8. Sheffield Dermatology Research, Department of Infection, Immunity and Cardiovascular Disease, The Medical School, University of Sheffield , Sheffield , UK