Skin Diseases, Papulosquamous

• Bressinck, Gibson, Parker, Dinehart, Sanster Dermatology, PA — Little Rock, Arkansas, United States
• Associates In Research, Inc. — Fresno, California, United States
• Solano Dermatology Associates — Vallejo, California, United States
• Dermatology Specialists — Vista, California, United States

• Rockefeller University Hospital — New York, United States
• Rockefeller University — New York, United States
• Rockefeller University — New York, United States

• Rockefeller University Hospital — New York, United States
• Rockefeller University — New York, United States
• Rockefeller University — New York, United States

• Prince of Wales Hospital — Hong Kong, China

Not specified

• Innovaderm Research inc. — Montreal, Quebec, Canada

• ProInnovera — Münster, Germany

• UMDNJ Clinical Research Center — New Brunswick, New Jersey, United States

• Psoriasis Study center, The interdisciplinary group of Molecular Immunopathology — Berlin, State of Berlin, Germany

• Mass General Hospital: Clinical Unit for Research Trials in Skin — Boston, Massachusetts, United States