1. Department of Dermatology; University Hospitals Birmingham NHS Foundation Trust; Edgbaston Birmingham B15 2TH U.K.
2. Department of Haematology; University Hospitals Birmingham NHS Foundation Trust; Edgbaston Birmingham B15 2TH U.K.
3. Department of Immunology; University Hospitals Birmingham NHS Foundation Trust; Edgbaston Birmingham B15 2TH U.K.