Ma, Jing-Hang
Feng, Zhen
Wu, Jia-Yue
Zhang, Yu
Di, Wen
Article History
Received: 11 January 2021
Accepted: 31 March 2021
First Online: 13 April 2021
Declarations
:
: The research protocol and patients’ data used in this study were reviewed and approved by the Ethics Committee of Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine [2017-113]. As this was a retrospective observational study and no biological sample was involved, the Medical Ethics Committee of Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine granted a waiver for informed consent for this study. The patients were indicated by admission number, the privacy of patients (including name, telephone number and address) was not included in the data. All methods were carried out in accordance with relevant guidelines and regulations
: Not applicable.
: The authors declare that they have no competing interests.