Published on in Vol 7, No 4 (2021): Oct-Dec
1 School of Health Management, Bengbu Medical College, Bengbu, China
2 The Second Xiangya Hospital, Central South University, Changsha, China
3 Key Laboratory of Medical Information Research, College of Hunan Province, Central South University, Changsha, China
4 The Third Xiangya Hospital, Central South University, Cahngsha, China
*these authors contributed equally