1. Clinic of DermatologyOuled Fayet Algiers Algeria
2. Dermatology Department Clemenceau Medical Center affiliated with Johns Hopkins Beirut Lebanon
3. Faculty of Health & Life Sciences De Montfort University Leicester UK
4. Génétique Humaine des Maladies Infectieuses Université Paris Descartes‐Sorbonne Paris Cité Institut Imagine
5. University hospital Constantine Benbadis Alger Algeria
6. University hospital Mustapha Pacha Alger Algeria