[1] Queen Elizabeth Univ Hosp, Alan Lyell Ctr Dermatol, Glasgow, Lanark, Scotland
[2] Univ Dundee, Sch Life Sci, Div Biol Chem & Drug Discovery, Dermatol & Genet Med, Dundee, Scotland
[3] Queen Mary Univ London, Dept Dermatol, London, England
[4] Pachonychia Congenita Project, Salt Lake City, UT USA