Chen, Zhongyun
Chen, Hongbo
Zhang, Yingbo
He, Yanbo
Su, Yingying
Article History
Received: 29 April 2020
Accepted: 5 July 2020
First Online: 8 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Our study was conducted in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Xuan Wu Hospital.
: The informed consent requirement was waived due to the retrospective study design.