Wu, Xia
Zhang, Lu
Feng, Jun
Mao, Yue-ying
Cao, Xin-xin
Zhou, Dao-bin
Li, Jian
Article History
Received: 10 October 2018
Accepted: 28 November 2018
First Online: 4 December 2018
Compliance with ethical standards
: A written informed consent was obtained from each patient. This study was approved by the Ethics Committee of the hospital.
: The authors declare that they have no conflict of interest.