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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/).
Panel (a) shows the MARD for the exercise periods in chronological order of the publication, coloured according to the CGM system used, and Panel (b) depicts the MARD of the rest periods, presented in the same way.