Fig. 2From: Genetic associations and shared environmental effects on the skin microbiome of Korean twinsDifferences in skin microbial diversity analyzed using rarefaction curves a Age. b Gender. c Skin humidity (CV, Corneomerty Value). d Pigmentation (MI, Melanin Index). Error bars indicate 95Â % confidence intervals. * Significance is based on the Wilcoxon rank-sum testBack to article page