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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/).
(a) Healer R2 wearable devices (male and female models); (b) Logger KoR 1, connecting to the back of the garment for storing the data and transferring them via 4G/5G/Wi-Fi; (c) embedded sensors to detect heart rate, respiratory rate, temperature, saturation, and desaturation.