[1] NYU, Sch Med, New York, NY USA
[2] Ctr Dermatol Quebec Metropolitain, Quebec City, PQ, Canada
[3] Florida Acad Dermatol Ctr, Miami, FL USA
[4] Dalhousie Univ, Halifax, NS, Canada
[5] Baylor Psoriasis Res Inst, Dallas, TX USA
[6] Clin Res, Waterloo, ON, Canada
[7] Abbott Labs, Abbott Pk, IL 60064 USA