[1] Univ Coll London Hosp NHS Fdn Trust, Dermatol Dept, London, England
[2] East Kent Hosp Univ NHS Fdn Trust, Dermatol Dept, Canterbury, Kent, England
[3] Kent & Canterbury Hosp, Friends Dermatol Ctr, 1937 Bldg Main Floor,Ethelbert Rd, Canterbury CT1 3NG, Kent, England