1. Department of Dermatology and Venereology Institute of Clinical Sciences Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Department of Dermatology and Venereology Region Västra Götaland Sahlgrenska University Hospital Gothenburg Sweden
3. Department of Dermatology Facultad de Medicina Pontificia Universidad Católica de Chile Santiago Chile
4. Melanoma and Skin Cancer Unit Facultad de Medicina Pontificia Universidad Católica de Chile Santiago Chile
5. Institute of Dermatology University Hospital "Santa Maria della Misericordia" Udine Italy
6. Department of Dermatology Medicine Faculty Ankara University Ankara Turkey
7. Department of Dermatology University of Minnesota Minneapolis Minnesota USA
8. Dermatology Department Medical Research Institute University of Buenos Aires Argentina