1 Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China.
2 Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China;Department of Software Engineering, School of Computer and Artificial Intelligence, Zhengzhou University, Zhengzhou 450001, Henan, China.
3 Department of Statistics, University of Illinois at Urbana-Champaign, Champaign, U.S.A.
4 Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China;NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, Zhengzhou 450001, Henan, China.