1. Dermatology Department, Faculty of Medicine Zagazig University Zagazig Egypt
2. Medical Molecular Genetics Department, Human Genetics and Genome Research Division National Research Centre (NRC) Cairo Egypt
3. Biotechnology Program, School of Sciences and Engineering The American University in Cairo (AUC) Cairo Egypt
4. St John's Institute of Dermatology, School of Basic and Medical Biosciences King's College London London UK