Development and Validation of the Epidemiological Tattoo Assessment Tool to Assess Ink Exposure and Related Factors in Tattooed Populations for Medical Research: Cross-sectional Validation Study

Milena Foerster   ¹ , Dip Psych, PhD ;   Lucas Dufour   ¹ , DPharm ;   Wolfgang Bäumler   ² , Dip Phys, PhD ;   Ines Schreiver   ³ , PhD ;   Marcel Goldberg   ⁴ , MD, PhD ;   Marie Zins   ⁴ , MD, PhD ;   Khaled Ezzedine   ⁵ , MD, PhD ;   Joachim Schüz   ¹ , PhD

¹ Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer, World Health Organisation, Lyon, France

² Department of Dermatology, University Hospital of Regensburg, Regensburg, Germany

³ Dermatotoxicology Study Centre, Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany

⁴ Population-based Cohorts Unit, INSERM UMS 11, Paris Saclay University, Paris, France

⁵ University Hospital Henri-Mondor, University Paris Est-Créteil, Créteil, France