N. Zhao and coworkers demonstrate, on page 1178, a low-power, wearable sensor system that integrates a flexible piezoresistive sensor and epidermal electrocardiogram sensors, for extracting real-time beat-to-beat blood pressure measurements. Through parametric modelling and operation optimization, highly stable epidermal pulse monitoring is achieved, and the compromise between sensor sensitivity and signal stability is highlighted.
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Luo et al. (2016) studied this question.