1. Department of Dermatology Leicester Royal Infirmary Leicester U.K.
2. Public Health England London Region London U.K.
3. Barts and The London School of Medicine and Dentistry London U.K.
4. Department of Dermatology Erasmus Medical Center Burg Jacobsplein 51, Rotterdam 3015CA the Netherlands
5. International Prevention Research Institute Lyon France
6. Information Services Division NHS National Services Scotland Glasgow U.K.
7. Blizard Institute, Barts and the London School of Medicine and Dentistry London U.K.
8. St John's Institute of Dermatology Department of Dermatology London U.K.
9. Northern Ireland Cancer Registry Belfast Northern Ireland U.K.
10. School of Medicine University of Dundee Dundee Scotland U.K.