1. Center of Evidence-based Healthcare; Medical Faculty Carl Gustav Carus; University Hospital; Technical University Dresden; Germany
2. Institute and Outpatient Clinics of Occupational and Social Medicine; Medical Faculty Carl Gustav Carus; Technical University Dresden; Germany
3. Department of Dermatology; Dermatological Radiotherapy and Dermatohistopathology; Special Clinics Hornheide; Münster Germany
4. Department of Dermatology; University Hospital Jena; Jena Germany
5. Institute and Outpatient Clinic of Occupational, Social and Environmental Medicine; Friedrich-Alexander-University Erlangen-Nuernberg; Nuernberg Germany
6. Department of Dermatology - University Allergy Center; Medical Faculty Carl Gustav Carus; Technical University Dresden; Germany
7. Institute of Occupational, Social and Environmental Medicine; Johannes-Gutenberg University Mainz; Mainz Germany
8. Department of Dermatology; Environmental Health and Health Theory; University of Osnabrueck; Osnabrueck Germany
9. Institute of Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm); University of Osnabrück; Osnabrück Germany
10. Institute for Prevention and Occupational Medicine of the German Social Accident Insurance (DGUV); Institute of Ruhr-University Bochum (IPA); Bochum Germany
11. Department of Clinical Social Medicine; Occupational and Environmental Dermatology; University of Heidelberg; Heidelberg Germany
12. Department of Dermatology; University Medical Center; Johannes-Gutenberg University Mainz; Germany
13. Employer's Liability Insurance Association Clinics Hamburg; Hamburg Germany
14. Department of Dermatology and Allergy; University Bonn; Bonn Germany
15. Department of Radiation; Institute of Occupational Health and Safety of the German Social Accident Insurance (DGUV); Sankt Augustin Germany
16. Department of Dermatology - Experimental Photobiology; University Hospital and Medical Faculty Carl Gustav Carus; Technical University Dresden; Dresden Germany