Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
AUC indicates area under the curve; BJFH, Beijing Friendship Hospital; NJDTH, Nanjing Drum Tower Hospital; and PUMCH, Peking Union Medical College Hospital.
