1. Department of Dermatology & Wound Healing; Institute of Infection & Immunity; Heath Park Cardiff CF14 4XW U.K
2. Cardiff & Vale University Health Board; University Hospital of Wales; Heath Park Cardiff CF14 4XW U.K
3. Nottingham NHS Treatment Centre; Queen's Medical Campus; Lister Road Nottingham NG7 2FT U.K
4. University Hospitals of Leicester NHS Trust; Infirmary Square Leicester LE1 5WW U.K
5. Centre of Evidence Based Dermatology; King's Meadow Campus; University of Nottingham; Lenton Lane Nottingham NG7 2NR U.K
6. The Hidradenitis Suppurativa Trust; PO Box 550 Chatham ME4 9AH U.K
7. James Lind Alliance; Summertown Pavilion Middle Way Oxford OX2 7LG U.K