1. Gansu Provincial Key Laboratory of Wearable Computing, School of Information Science and Engineering, Lanzhou University, Lanzhou, China
2. College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, Zhejiang, China
3. Brain Health Engineering Lab, School of Medical Technology, Beijing Institute of Technology, Beijing, China
4. Joint Research Center for Cognitive Neurosensor Technology of Lanzhou University & Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China
5. Engineering Research Center of Open Source Software and Real-Time System (Lanzhou University), Ministry of Education, Lanzhou, China