1. Department for Dermatology Division of Immunology, Allergy and Infectious Diseases Medical University of Vienna Vienna Austria
2. Department of Internal Medicine I Division of Haematology and Haemostaseology Medical University of Vienna Vienna Austria
3. Department for Pathology Medical University of Vienna Vienna Austria
4. Department for Dermatology Division of General Dermatology Medical University of Vienna Vienna Austria
5. Division of Endocrinology and Metabolism Department of Medicine III Medical University, of Vienna Vienna Austria