1 School of Artificial Intelligence, Beijing Normal University, Beijing, 100875 China.
2 The State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875 China.
3 BABRI Centre, Beijing Normal University, Beijing, 100875 China.
4 Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700 China.