Han, Chenyang
Yang, Yi http://orcid.org/0000-0002-6483-7286
Ruan, Shuiliang
Guo, Li
Zhang, Xiaoling
Guan, Qiaobing
Article History
Received: 22 August 2018
Revised: 7 December 2018
Accepted: 12 December 2018
First Online: 4 January 2019
Compliance with ethical standards
:
: This study conforms to the relevant ethical regulations, and the research program and process are approved by the Ethics Committee. All patients voluntarily participated and signed the informed consent.