[1] Univ Calif Irvine, Dept Dermatol, Irvine, CA 92697 USA
[2] Canc Res UK Skin Tumour Lab, London, England
[3] QMUL, Barts & London Sch Med & Dent, London, England
[4] Barts & London NHS Trust, London, England
[5] N E London Canc Res Network, London, England