1. Nuffield Department of Clinical Laboratory Sciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom;
2. Kings College London, Skin Tumour Unit, St John's Institute of Dermatology, Division of Genetics and Molecular Medicine, Guys Hospital, London, United Kingdom;
3. Department of Dermatology, Leiden University Medical Center, Leiden, The Netherlands;
4. Computational Biology Research Group, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom;
5. Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom; and
6. Department of Haematology, John Radcliffe Hospital, Oxford, United Kingdom