1Institute of Automation, Chinese Academy of Sciences, Beijing 100190, P. R. China.
2College of Information Science and Technology, Beijing Normal University, No. 19 Xin-Jie-Kou-Wai Street, Beijing 100875, China.
3Department of Traditional Chinese Medicine, Peking University Third Hospital, Beijing 100191, P. R. China.
4School of Traditional Chinese, Medicine, Capital Medical University, 100069, Beijing, P. R. China.
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