[1] Imam Mohammad Ibn Saud Islamic Univ, Coll Med, Riyadh, Saudi Arabia
[2] King Abdullah Med Complex, MOH, Riyadh, Saudi Arabia
[3] Minist Hlth, Deputyship Therapeut Affairs, Riyadh, Saudi Arabia
[4] Hera Gen Hosp, Dept Dermatol, Mecca, Saudi Arabia
[5] King Faisal Specialist Hosp & Res Ctr, Dept Dermatol, Riyadh, Saudi Arabia
[6] Alfaisal Univ, Riyadh, Saudi Arabia
[7] King Fahad Med City, Dept Dermatol, Riyadh, Saudi Arabia
[8] Secur Forces Hosp, Dept Dermatol, Riyadh, Saudi Arabia
[9] King Saud Univ, Dept Dermatol, Riyadh, Saudi Arabia
[10] Prince Sultan Mil Med City, Dept Dermatol, Riyadh, Saudi Arabia
[11] King Fahad Armed Forces Hosp, Dept Dermatol, Jeddah, Saudi Arabia
[12] King Saud Univ, Coll Med, Dept Dermatol, Riyadh, Saudi Arabia
[13] King Fahad Specialist Hosp, Dept Med, Dammam, Saudi Arabia
[14] Ruhr Univ, Dept Dermatol Venereol & Allergol, Bochum, Germany