Li, Jingjing
Tang, Lian
Tang, Ruiheng
Peng, Lan
Chai, Liqiang
Zhu, Liping
Yu, Yanxia http://orcid.org/0000-0001-6105-0114
Article History
Received: 2 April 2020
Accepted: 23 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: The present study was approved to collect the clinical data from electronic medical records by the ethics committee of Suzhou Municipal Hospital (K2017037). Since the study was a simple general retrospective study, it was hard to obtain the written informed consent from all participants. The ethics committee approved us to obtain verbal informed consent by telephone from all participants.
: Not applicable.
: The authors declare that they have no competing interests.