1. Department of Dermatology King Faisal University Hofuf Saudi Arabia
2. Institute of Dermatology ‘Santa Maria della Misericordia’ University Hospital Udine Italy
3. First Department of Dermatology Greece Hospital of Venereal and Skin Diseases Aristotle University, Thessaloniki Thessaloniki Greece
4. Division of Pathology Department of Biomedical Sciences King Faisal University Hofuf Saudi Arabia