Gaiqing Kong1, Kang He2, Kunlin Wei3. 1. School of Psychological and Cognitive Sciences, Peking University, Beijing, China; Beijing Key Laboratory of Behavior and Mental Health, China. 2. Beijing Key Laboratory of Behavior and Mental Health, China; Peking-Tsinghua Center for Life Sciences, China. 3. School of Psychological and Cognitive Sciences, Peking University, Beijing, China; Beijing Key Laboratory of Behavior and Mental Health, China; Peking-Tsinghua Center for Life Sciences, China. Electronic address: wei.kunlin@pku.edu.cn.