1. Division of Molecular Genetic Epidemiology, German Cancer Research Center, Heidelberg, Germany
2. Department of Dermatology, Instituto Valenciano de Oncologia, Valencia, Spain
3. Interfaculty Institute of Cell Biology, Tuebingen University, and IMPRS (“From Molecules to Organisms”), Tuebingen, Germany
4. Department of Pathology, Instituto Valenciano de Oncologia, Valencia, Spain
5. Laboratory of Molecular Biology, Instituto Valenciano de Oncologia, Valencia, Spain
6. Departments of Pathology & Dermatology, Hospital Arnau de Vilanova, Valencia, Spain
7. German Cancer Consortium (DKTK/DKFZ) Heidelberg, Germany
8. Center for Primary Health Care Research, Lund University, Malmö, Sweden