Gao, Suizhi
Zhu, Xiaofei
Shi, Xiaohan
Cao, Kai
Bian, Yun
Jiang, Hui
Wang, Kaixuan
Guo, Shiwei
Zhang, Huojun
Jin, Gang
Article History
Received: 19 December 2018
Accepted: 5 March 2019
First Online: 27 March 2019
Ethics approval and consent to participate
: The protocol has been reviewed and approved by the institutional review board of our hospital (CHEC2018–176). The study has also been registered in ClinicalTrial.gov (NCT03777462).
: The consents for publication of data have been obtained from patients.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.