Published on in Vol 8, No 7 (2020): July
1 Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
2 Department of Information Center, The First Hospital of China Medical University, Shenyang, China
3 Department of Population and Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, United States
4 Center for Healthcare Organization and Implementation Research, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA, United States