1. Universitätsklinik für Dermatologie und Venerologie; Otto-von-Guericke Universität; Magdeburg Germany
2. Dr Sulaiman Al Habib Hospital; Riyadh Saudi Arabia
3. Amiri Hospital; Kuwait
4. Dubai Health Authority; Dubai UAE
5. Faculty of Medicine; United Arab Emirates University; Dubai UAE
6. American University of Beirut Medical Center; Beirut Lebanon
7. King Abdulaziz University; Jeddah Saudi Arabia