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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Comparison of average severity scores for dNA.MZ (red bars) and dNA.DZ (blue bars) twins across all ADI-R items (along horizontal axes) used to derive a cumulative trait score. * p-value ≤ 0.05, ** p-value ≤ 0.01, *** p-value ≤ 0.001.