Chen, Zhongyun
Sun, Yijia
Zhang, Yingbo
He, Yanbo
Chen, Hongbo
Su, Yingying http://orcid.org/0000-0002-8065-3049
Article History
Received: 15 July 2019
Accepted: 3 February 2020
First Online: 13 February 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.