[1] Univ Southern Calif, Dept Dermatol, Los Angeles, CA 90007 USA
[2] Psoriasisforbundet, Stockholm, Sweden
[3] Int Federat Psoriasis Assoc, Stockholm, Sweden
[4] Novartis Pharma AG, Basel, Switzerland
[5] Novartis, Dubai, U Arab Emirates
[6] Assoc Enfermo Psoriasis, Buenos Aires, DF, Argentina
[7] Univ Med Ctr Hamburg Eppendorf, Hamburg, Germany