Institution: | 1.Complex Systems Research Center, Shanxi University, Taiyuan, 030006, China ;2.Shanxi Key Laboratory of Mathematical Techniques and Big Data Analysis on Disease Control and Prevention, Shanxi University, Taiyuan, 030006, China ;3.Data Science and Technology, North University of China, Taiyuan, 030051, China ;4.College of Arts and Sciences, Shanxi Agricultural University, Taigu, 030801, China ;5.National Institute of Drug Dependence, Peking University, Beijing, 100191, China ;6.School of Mathematical Sciences, Tiangong University, Tianjin, 300387, China ; |