Keratosis, Actinic

• UCSD Dermatology — San Diego, California, United States
• Therapeutics Clinical Research — San Diego, California, United States
• Altman Dermatology Associates — Arlington Heights, Illinois, United States
• Shideler Clinical Research Center — Carmel, Indiana, United States

• Wake Forest Health Sciences Dermatology — Winston-Salem, North Carolina, United States

• DermResearch, Inc. — Austin, Texas, United States

Not specified

• Korea University Ansan Hospital — Ansan-si, Gyeonggi-do, South Korea

• UCSD Dermatology — San Diego, California, United States
• Therapeutics Clinical Research — San Diego, California, United States
• MOORE Clinical Research, Inc — Brandon, Florida, United States
• Altman Dermatology Associates — Arlington Heights, Illinois, United States

• UC Davis Department of Dermatology — Sacramento, California, United States

• CHRU, Hôpital Claude Huriez — Lille, France
• Klinikum Vest Gmbh — Recklinghausen, Germany

• Dong-A University — Busan, Seo-gu, Korea, Republic Of, 602-715, South Korea

• Oslo University Hospital — Oslo, Norway