[1] St Vincents Univ Hosp, Charles Ctr Dermatol, Elm Pk, Dublin, Ireland
[2] Univ Coll Dublin, Sch Med, Dublin, Ireland
[3] St Vincents Univ Hosp, Dept Med Phys & Clin Engn, Dublin, Ireland
[4] Univ Coll Dublin, Ctr Phys Hlth & Med, Dublin, Ireland
[5] Univ Coll Dublin, Charles Inst Dermatol, Dublin, Ireland