[1] Newcastle Univ, Fac Med Sci, Biosci Inst, Newcastle Upon Tyne, Tyne & Wear, England
[2] Wellcome Sanger Inst, Hinxton, England
[3] Newcastle Hosp NHS Fdn Trust, Dept Dermatol, Newcastle Upon Tyne, Tyne & Wear, England
[4] Newcastle Hosp NHS Fdn Trust, NIHR Newcastle Biomed Res Ctr, Newcastle Upon Tyne, Tyne & Wear, England