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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/).
Boxplot illustrating group differences in energy intake (kcal) after sex stratification. Parkinson’s disease (PD). Each circle represents a participant with an energy intake value >1.5 × interquartile range.