| Authors: |
Yang L; Department of Occupational & Environmental Health Sciences, Peking University School of Public Health, Beijing 100191, China., Jin X; Department of Occupational & Environmental Health Sciences, Peking University School of Public Health, Beijing 100191, China., Huang W; Department of Occupational & Environmental Health Sciences, Peking University School of Public Health, Beijing 100191, China., He L; Department of Occupational & Environmental Health Sciences, Peking University School of Public Health, Beijing 100191, China., Chen J; Department of Health Policy and Management, Peking University School of Public Health, Beijing 100191, China.; Peking University Medicine-Zhengda Guangming Joint Laboratory for Visual Health, Beijing 100191, China. |