1. State Key Laboratory for Manufacturing Systems Engineering Xi'an Jiaotong University Xi'an Shaanxi 710049 China
2. Laboratory for Advanced Interfacial Materials and Devices Research Center for Smart Wearable Technology Institute of Textile and Clothing The Hong Kong Polytechnic University Hong Kong SAR China
3. Research Institute for Smart Energy Research Institute of Intelligent Wearable System The Hong Kong Polytechnic University Hong Kong SAR China