[1] Jilin University,Department of Social Medicine and Health Management, School of Public Health
[2] Jilin University,Department of Epidemiology and Biostatistics, School of Public Health
[3] Jilin University,Doctor’s degree, Department of Epidemiology and Biostatistics, School of Public Health
[4] Jilin University,Doctor’s degree, Department of Social Medicine and Health Management, School of Public Health