1. Complexo Hospitalario Universitario de Vigo; Vigo. Meixoeiro s.n. 36200 Vigo Spain
2. Research Unit, Fundación Piel Sana AEDV; Madrid Spain
3. Department of Dermatology & Wound Healing, Division of Infection and Immunity; Cardiff University, University Hospital of Wales; 3rd Floor Glamorgan House Heath Park, Cardiff CF14 4XN U.K
4. Centro Studi GISED; Via Garibaldi 13/15, Azienda Ospedaliera papa Giovanni XXIII; 24100 Bergamo Italy
5. Betsi Cadwaladr University Health Board; Ysbyty Gwynedd, Penrhosgarnedd; Bangor Gwynedd LL57 2PY U.K