[1] Radboud Univ Nijmegen Med Ctr, Dept Dermatol, NL-6500 HB Nijmegen, Netherlands
[2] Wake Forest Univ, Bowman Gray Sch Med, Dept Dermatol, Ctr Dermatol Res, Winston Salem, NC 27103 USA
[3] Int Psoriasis Council, Dallas, TX USA
[4] Ohio State Univ, Dept Pharm Practice & Adm, Columbus, OH 43210 USA
[5] Cardiff Univ, Sch Med, Dept Dermatol, Cardiff, S Glam, Wales
[6] Baylor Res Inst, Div Dermatol, Dallas, TX USA
[7] Univ Texas SW Med Sch, Dallas, TX USA