Collaborative Innovation Center of Advanced Microstructures;
School of Electronic Science and Engineering;
Nanjing University;
Nanjing 210093;
China;
College of Engineering and Applied Science;
Nanjing University;
Nanjing 210093;
China;
Department of Chemical Engineering;
Stanford University;
Stanford;
CA 94305;
USA;
electronic; skin; flexible; electronics; human-machine; interface; health; monitoring; soft; robots;