Actinic Keratoses

• Dayton VA Medical Center — Dayton, Ohio, United States

• Wright State Physicians — Fairborn, Ohio, United States

• West Virginia University — Morgantown, West Virginia, United States

• CentroDerm GmbH — Wuppertal, North Rhine-Westphalia, Germany

• University of Palermo — Palermo, Italy

• Zuyderland Medical Center — Heerlen, Limburg, Netherlands
• Maastricht University Medical Center — Maastricht, Limburg, Netherlands
• VieCuri Medical Center — Venlo, Limburg, Netherlands
• Catharina Hospital Eindhoven — Eindhoven, North Brabant, Netherlands

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Cleveland Clinic — Cleveland, Ohio, United States

• Northwestern University Department of Dermatology — Chicago, Illinois, United States

Not specified

Not specified