1. Department of Dermatology; University Hospital of Erlangen; Friedrich-Alexander University Erlangen-Nuremberg; Erlangen Germany
2. Finnish Institute of Occupational Health; Helsinki Finland
3. Department of Occupational Medicine and Epidemiology; National Institute of Occupational Health; Oslo Norway
4. National Center of Occupational Diseases Coronel Institute AMC; Amsterdam The Netherlands
5. Expertise Center of Occupational Dermato-Allergology VUmc; Amsterdam The Netherlands
6. Department of Dermatology; University Allergy Centre; University Hospital Carl Gustav Carus; Technical University Dresden; Dresden Germany
7. Unit of Occupational and Environmental Diseases; Hôtel-Dieu Hospital Group; APHP, EA 4064 Environmental and Public Health Laboratory; Paris France
8. Descartes University; Paris France
9. Unit of Occupational and Environmental Dermatology; Institute for Environmental Medicine; Karolinska Institutet; Stockholm Sweden
10. Department of Dermatology; South Infirmary Victoria University Hospital; Cork Ireland
11. Croatian Institute for Health Protection and Safety at Work; Zagreb Croatia
12. University of Belgrade Faculty of Medicine-Serbian Institute of Occupational Health; Belgrade Serbia
13. Department of Occupational Medicine; Charles University Faculty of Medicine; Hradec Králové Czech Republic
14. Federal Agency for Occupational Risks (FEDRIS); Brussels Belgium
15. The Norwegian Labour Inspection Authority; Oslo Norway
16. Department of Dermatology and Venereology; Tokuda Hospital Sofia and Section of Dermatovenereology; Trakia University; Stara Zagora Bulgaria
17. Department of Dermatology; University Medical Centre; Maribor Slovenia
18. Department of Dermatology; Faculty Hospital; Charles University Prague; Prague Czech Republic
19. Hospital del Mar. Parc de Salut Mar; Universitat Autonoma; Barcelona Spain
20. Department of Dermatology; University Hospital and Faculty of Medicine; University of Coimbra; Coimbra Portugal
21. Department of Dermato-Allergology; National Allergy Research Center; Gentofte Hospital; University of Copenhagen; Copenhagen Denmark
22. Department of Dermatology; Lower-Saxonian Institute of Occupational Dermatology (NIB); University of Osnabrueck; Osnabrück Germany
23. Dermatology Unit; Nofer Institute of Occupational Medicine; Lodz Poland
24. Department of Dermatology and Allergology; Schuman Hospitals; Kirchberg Hospital; Luxembourg Luxembourg
25. Dermatological Specialist Consultation of the Medical Department at the National Labour Office; Budapest Hungary
26. Faculty of Medicine and Health Science; The Jan Kochanowski University; Kielce Poland
27. Department of Public Health; Occupational Medicine; University of Trieste; Trieste Italy
28. Department of Dermatology and Venereology; University Hospital Center Zagreb; School of Medicine University of Zagreb; Zagreb Croatia
29. Institute for Medical Research and Occupational Health; Zagreb Croatia
30. Unit of Occupational and Environmental Dermatology; Centre for Occupational and Environmental Medicine; SLSO; Stockholm Sweden
31. Institute of Occupational Health of R. Macedonia; WHO Collaborating Center for Occupational Health; Skopje Macedonia
32. University of Malta Medical School; Msida Malta
33. IMIM-Instituto Hospital del Mar de Investigaciones Médicas; CiSAL-Centro de Investigación en Salud Laboral; Universidad Pompeu Fabra; Barcelona Spain
34. SUVA; Luzern Switzerland
35. Clinic of Dermatovenereology; Clinical Center of Serbia; Belgrade Serbia
36. 2nd Clinic of Dermatology; “Colentina” Clinical Hospital; University of Medicine and Pharmacy; Bucharest Romania
37. Department of Dermatology; Medical University Graz; Graz Austria
38. Department of Dermatology; University Medical Center Groningen; University of Groningen; Groningen The Netherlands
39. Department of Dermatology, Inselspital; Bern University Hospital; University of Bern; Bern Switzerland
40. Department of Experimental Dermatology and Cosmetology; Jagiellonian University Medical College; Krakow Poland
41. Department of Dermatology; F.D. Roosevelt Hospital; Banská Bystrica Slovakia
42. Department of Skin and Venereal Diseases; Hospital of LUHS; Lithuanian University of Health Sciences (LUHS); Kaunas Lithuania
43. Institute for Interdisciplinary Dermatological Prevention and Rehabilitation at the University of Osnabrück (iDerm); Berlin Germany
44. Department of Dermatology; Chapel Allerton Hospital; Leeds England
45. Department of Medical Informatics, Biometry and Epidemiology; Friedrich-Alexander University Erlangen-Nuremberg; Erlangen Germany