Xue, Ning
Wu, Shujie
Li, Zongbing
Miao, Xiangmin
Funding for this research was provided by:
The Natural Science Foundation of Xuzhou City (KC18140)
Article History
Received: 16 November 2019
Revised: 22 December 2019
Accepted: 29 January 2020
First Online: 19 February 2020
Compliance with ethical standards
: Written informed consent was obtained from the patient for research use. The study was approved by the Jiangsu Normal University ethics committee.
: The authors declare that they have no conflict of interest.