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Results of questionnaire regarding product acceptance on day 85, sum of single scores (“2” = I completely agree; “1” = I agree; “0” = neither…nor; “−1” = I disagree; “−2” = I completely disagree) symbolizing agreement (positive values) or disagreement (negative values) with the product, black bars = test product, gray bars = placebo, P values shown where differences are significant (P ≤ .05, one-sided Mann–Whitney–Wilcoxon test).
