1. Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
2. State Key Laboratory of Internet of Things for Smart City, The University of Macau, Taipa, Macao SAR, China
3. Faculty of Computer Science, Dalhousie University, Halifax, NS, Canada
4. Internet of Things Trust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, Guangdong, China