1. Department of Dermatology, Tallaght University Hospital , Dublin , Ireland
2. Department of Dermatology, Beaumont Hospital , Dublin , Ireland
3. Department of Dermatology, Mater Misericordiae University Hospital , Dublin , Ireland
4. Department of Dermatology, Vincent’s Hospital , Dublin , Ireland
5. Dermatology Department, Health Service Executive , Drogheda , Ireland
6. Trinity College Dublin , Dublin , Ireland