Keratosis

• Spencer Dermatology and Skin Surgery — St. Petersburg, Florida, United States
• James Del Rosso — Henderson, Nevada, United States
• Rigel Dermatology — New York, United States

• UCSD Dermatology Perlman Ambulatory Clinic — La Jolla, California, United States
• Dermatology Research Associates — Los Angeles, California, United States
• Therapeutics Clinical Research — San Diego, California, United States
• Northwest Clinical Trials, Inc. — Boise, Idaho, United States

• Medizinisches Zentrum Bonn Friedensplatz — Bonn, Germany
• Hautarztpraxis Prof. Kurzen — Freising, Germany
• Hautärztliche Gemeinschaftspraxis Dr. med. Peter Dworzak Dr. med. Peter Radny — Friedrichshafen, Germany
• Gemeinschaftspraxis Dres.Ina Röhrig-Petering und Holger Petering — Hildesheim, Germany

• Center For Dermatology Clinical Research, Inc. — Fremont, California, United States
• UCSD Dermatology — San Diego, California, United States
• Center for Clinical and Cosmetic Research — Aventura, Florida, United States
• MOORE Clinical Research, Inc — Brandon, Florida, United States

• Hanang' — Manyara, Manyara Region, Tanzania
• Rungwe — Mbeya, Tanzania
• Kilosa — Morogoro, Tanzania

• Almirall Investigational Site #3 — Berlin, Germany
• Almirall Investigational Site #5 — Berlin, Germany
• Almirall Investigational Site #4 — Berlin, Germany
• Almirall Investigational Site #1 — Bochum, Germany

• Aava Medical Centre — Helsinki, Finland

Not specified

Not specified

• Päijät-Häme Central Hospital — Lahti, Finland