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. 2018 Dec 14;78(12):1283–1291. doi: 10.1055/a-0677-2630

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This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 2 — Study design. The level of stress and mindfulness for stratification are recorded using the German versions of the Perceived Stress Scale (PSS-10) 62 and the Mindful Attention and Awareness Scale (MAAS) 63 . 2D:4D ratio: index/ring finger length ratio, TEOAEs: transient evoked otoacoustic emissions.