Wang, Caiying
Zhang, Huimin
Zhang, Yanlan
Xu, Lin
Miao, Min
Yang, Hongling
Liu, Yuhuan
He, Shuxin
Pang, Lin
Funding for this research was provided by:
Beijing Ditan Hospital of Capital Medical University (2209-25-111)
Article History
Received: 23 May 2020
Accepted: 14 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: This retrospective study has been approved by the ethics committee of Beijing Ditan Hospital, Capital Medical University (approval number2018-6-12B). Verbal informed consent was obtained from the legal guardians of the patients in this study because this is a retrospective study and the patients had been discharged when the study was carried out. This procedure was approved by the ethics committee of Beijing Ditan Hospital, Capital Medical University.
: Not applicable.
: The authors declare that they have no competing interests.