Zhao, Chen
Pu, Xiaobing
Zhou, Qiang
Huang, Xingzhou
Zhang, Chengmin
Luo, Lei
Zhang, Zehua
Hou, Tianyong
Luo, Fei
Dai, Fei
Xu, Jianzhong
Article History
Received: 6 September 2018
Accepted: 3 January 2019
First Online: 22 January 2019
Ethics approval and consent to participate
: This study is a prospective clinical study and has been approved by the Southwest Hospital Ethics Committee. All patients had signed the consent form.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.