1. Department of Dermatology; Habib Thameur Teaching Hospital; Faculty of Medicine; University of Tunis El Manar; Tunis Tunisia
2. Department of Human Genetics; Charles Nicolle Hospital; Tunis Tunisia
3. Molecular Investigation of Genetic Orphan Diseases Research Unit; Pasteur Institute of Tunis; Tunis Tunisia
4. Department of Dermatology and Genetics; CHU Necker for Sick Children; University René Descartes; Paris France