For usage of hand eczema data: Voorberg, Angelique N., Laura Loman, and Marie LA Schuttelaar. "Prevalence and severity of hand eczema in the Dutch general population: a cross-sectional, questionnaire study within the Lifelines cohort study." Acta dermato-venereologica 102 (2022).
For usage of atopic dermatitis/eczema data: Zhang, Junfen, et al. "Prevalence of adult atopic dermatitis in the general population, with a focus on moderate-to-severe disease." Journal of the European Academy of Dermatology and Venereology 35.11 (2021): e787-e790.