Design and Systematic Evaluation of a Multi-Layered Mattress System for Accurate, Unobtrusive Capacitive ECG Monitoring. - Cui, Rui; Wang, Kaichen; Zheng, Xiongwen; Li, Jiayi; Cao, Siheng; Chen, Hongyu; Chen, Wei; Chen, Chen; Luo, Jingchun (Bioengineering (Basel), 2025)