Affiliation: | 1. School of Information Science and Engineering, Central South University, Changsha 410083, China;Mobile Health Ministry of Education-China Mobile Joint Laboratory, Changsha 410083, China;School of Computer, Hunan Institute of Science and Technology, Yueyang 414000, China;2. School of Information Science and Engineering, Central South University, Changsha 410083, China;Mobile Health Ministry of Education-China Mobile Joint Laboratory, Changsha 410083, China |