1. Department of Dermatology; Saint-Pierre, Brugmann and Queen Fabiola Children's University Hospitals, Université Libre de Bruxelles; Brussels Belgium
2. Department of Dermatopathology; Saint-Pierre, Brugmann and Queen Fabiola Children's University Hospitals, Université Libre de Bruxelles; Brussels Belgium
3. Department of Biomedical Engineering; Oregon Health Sciences University; Portland OR USA
4. Department of Pathology; Oregon Health Sciences University; Portland OR USA
5. Department of Dermatology; Oregon Health Sciences University; Portland OR USA