[1] Univ Southern Calif, Keck Sch Med, Dept Dermatol, 1450 San Pablo St 5400, Los Angeles, CA 90033 USA
[2] AbbVie Inc, N Chicago, IL USA
[3] Univ Verona, Dept Med, Sect Dermatol & Venereol, Verona, Italy
[4] Yale Univ, Dept Dermatol, New Haven, CT USA
[5] Cent Connecticut Dermatol, Cromwell, CT USA