1. School of Engineering and Applied SciencesKavli Institute for Bionano Science and TechnologyHarvard University MA 02138 USA
2. State Key Laboratory of Fluid Power and Mechatronic SystemKey Laboratory of Soft Machines and Smart Devices of Zhejiang ProvinceDepartment of Engineering Mechanics, and Center for X‐MechanicsZhejiang University Hangzhou Zhejiang 310027 P. R. China
3. Innomed Medical Device Co., Ltd. Suzhou Jiangsu 215123 China
4. Soft Intelligent Materials Co., Ltd. Suzhou Jiangsu 215123 China