1. Dermatology Department, University Hospitals Brugmann & Saint Pierre Université Libre de Bruxelles Brussels Belgium
2. Queen Fabiola Children’s University Hospital Université Libre de Bruxelles Brussels Belgium
3. Dermatology Unity Department of “Medicina Dei Sistemi” Tor Vergata University Rome Italy
4. Laboratory of Stem Cells and Cancer Université Libre de Bruxelles Brussels Belgium