1. Division of Infectious Diseases and Tropical Medicine; Department of Medicine I; Medical University of Vienna; Vienna Austria
2. Division of General Dermatology; Department of Dermatology; Medical University of Vienna; Vienna Austria
3. Department of Emergency Medicine; Medical University of Vienna; Vienna Austria
4. Division of Immunology, Allergy and Infectious Diseases; Department of Dermatology; Medical University of Vienna; Vienna Austria
5. Center of Infectious Diseases and Infection Control; Jena University Hospital; Jena Germany