1. Research Center for Intelligent and Wearable Technology, College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao University, Qingdao, Shandong 266071, P.R. China
2. Department of Materials, The University of Manchester, Manchester M139PL, United Kingdom
3. School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, P.R. China