Published on in Vol 8 , No 7 (2020) :July

1 Department of Ophthalmology , The Fourth Affiliated Hospital of China Medical University , Shenyang , CN
2 Department of Information Center , The First Hospital of China Medical University , Shenyang , CN
3 Department of Population and Quantitative Health Sciences , University of Massachusetts Medical School , Worcester , MA , US
4 Center for Healthcare Organization and Implementation Research , Edith Nourse Rogers Memorial Veterans Hospital , Bedford , MA , US