1. Department of Dermatology, King Fahad Armed Forces Hospital, Jeddah, Saudi Arabia
2. Department of Dermatology, King Fahad National Guard Hospital, Riyadh, Saudi Arabia
3. Department of Dermatology, College of Medicine, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia
4. Division of Dermatology, St George Hospital University Medical Centre, Beirut, Lebanon
5. Department of Rheumatology
6. Faculty of Medicine, Hassan II University, and Department of Dermatology and Venereology, Ibn Rochd University Hospital, Casablanca, Morocco
7. Faculty of Medicine, Centre Hospitalo-Universitaire, University of Algiers, Mustapha Algiers, Algeria
8. Department of Dermatology, Military Hospital of Tunis, University of Tunis El Manar, Tunis, Tunisia
9. Dermatology Department, Banha University, Banha, Egypt
10. Department of Dermatology, University of Tunis El Manar, Tunis, Tunisia
11. Neoderm Cosmetic and Dermatology Centre, Port Elizabeth, South Africa
12. Westville Hospital, Westville, Durban, KwaZulu Natal, South Africa
13. Department of Dermatology, Venereology and Allergy, JW Goethe University, Frankfurt/Main, Germany
14. Rosebank Clinic, Rosebank, Johannesburg, South Africa
15. Private Practice, Kenilworth, Cape Town, South Africa