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. 2018 Aug 28;160(11):2129–2135. doi: 10.1007/s00701-018-3659-9

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© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3 — Box plot (25th to 75th percentile and mean) with whiskers (5th–95th percentile) and outliers (points). The mean aesthetic satisfaction (ANA) score in the intervention group was 9.3 (SD 0.74) and 7.9 in the control group (SD 1.0, ***p < 0.001)