Funding for this research was provided by:
Shanghai Municipal Health Bureau (NO.201640142)
Received: 5 March 2020
Accepted: 7 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: It is a retrospective study based on data collected from patients’ clinical records, approved by the Ethics Committee of the Shanghai Jiaotong University School of Medicine Affiliated with Renji and Xinhua hospitals. The data used in this study was anonymised before its use. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: All authors declare no conflict of interest.