1. Occupational Dermatology, Department of Dermatology University Hospital Heidelberg Heidelberg Germany
2. Department of Dermatology Odense University Hospital Odense Denmark
3. Department of Dermatology University of Southern Denmark Odense Denmark
4. Department of Dermatology Universitaria di Bari Bari Italy
5. Department of Dermatology Universitat Autònoma Barcelona Spain
6. Department of Occupational and Environmental Dermatology Lund University Lund Sweden
7. Department of Occupational and Environmental Dermatology Skåne University Hospital Malmö Sweden
8. Sección de Dermatología Hospital General de Alicante Alicante Spain