Lv, Hong
Li, Xiuzhu
Du, Jiangbo
Ling, Xiufeng
Diao, Feiyang
Lu, Qun
Tao, Shiyao
Huang, Lei
Chen, Shiyao
Han, Xiumei
Zhou, Kun
Xu, Bo
Liu, Xiaoyu
Ma, Hongxia
Xia, Yankai
Shen, Hongbing
Hu, Zhibin
Jin, Guangfu http://orcid.org/0000-0003-0249-5337
Guan, Yichun
Wang, Xinru
Funding for this research was provided by:
National Key Research & Development Program (2016YFC1000200, 2018YFC1004200)
the State Key Program of National Natural Science Foundation of China (31530047, 81730041, 81830100)
Article History
Received: 17 February 2020
Accepted: 29 July 2020
First Online: 21 August 2020
Ethics approval and consent to participate
: This study was performed in accordance with guidelines outlined in the Declaration of Helsinki. All methods and information collection protocols were approved by the institutional review board of Nanjing Medical University, China NJMUIRB (2018) 009. Our research has obtained the waiver from institutional review board for the medical record review for selective variable analysis in three centers.
: Not applicable.
: The authors declare that they have no competing interests.