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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 (https://creativecommons.org/licenses/by/4.0/).
Representative 5-min heart rate signal, which is immediately prior to the AF onset: (A) from the CinC data set and (B) from the MIMIC III data set. Representative 5-min heart rate signal for control group: (C) from the CinC data set and (D) from the MIMIC III data set.