1. Department of Dermatology Mater Dei Hospital Msida Malta
2. European Hidradenitis Suppurativa Foundation e.V Dessau Germany
3. Department of Pathology Faculty of Medicine and Surgery University of Malta Msida Malta
4. Department of Dermatology Erasme Hospital Université Libre de Bruxelles Brussels Belgium
5. Centre for Molecular Medicine and Biobanking Faculty of Medicine and Surgery University of Malta Msida Malta
6. Department of Dermatology Liverpool Hospital University of New South Wales Sydney NSW Australia