1. Research Centre for Smart Wearable Technology, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, People's Republic of China
2. The Hong Kong Polytechnic University, Shenzhen Research Institute, Shenzhen, 518057, People's Republic of China
3. School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China