1. Research Center for Intelligent and Wearable Technology, State Key Laboratory of Bio-Fibers and Eco-Textiles, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao 266071, P. R. China
2. College of Textiles and Clothing, Qingdao University, Qingdao 266071, P. R. China
3. Qingdao Etrip Smart Home Co., Ltd., Qingdao 266071, P. R. China
4. Qingdao Hailiya Group Co., Ltd., Qingdao 266071, P. R. China