1. Centre for Cell Biology and Cutaneous Research Blizard Institute Barts and the London School of Medicine and Dentistry Queen Mary University of London London U.K.
2. Cancer Biology and Genetics The Ohio State University Columbus OH U.S.A.
3. Division of Cancer Research School of Medicine University of Dundee Dundee U.K.
4. Hospices Civils de Lyon Department of Dermatology Edouard Herriot Hospital Lyon France
5. Department of Dermatology University of Zurich Zurich Switzerland
6. Infections and Cancer Biology Group International Agency for Research on Cancer Lyon France
7. Department of Dermatology Leiden University Medical Centre Leiden The Netherlands