1. Centre of Evidence-Based Healthcare; University Hospital and Medical Faculty Carl Gustav Carus, TU Dresden; 01307 Dresden Germany
2. Clinic and Policlinic for Dermatology; Medical Faculty Carl Gustav Carus, TU Dresden; 01307 Dresden Germany
3. Institute and Outpatient clinic of Occupational and Social Medicine; Medical Faculty Carl Gustav Carus, TU Dresden; 01307 Dresden Germany