Hu, Daixing
Zhou, Jing
He, Wei
Peng, Jie
Cao, Yijia
Ren, Haoyu
Mao, Yu
Dou, Yi
Xiong, Wei
Xiao, Qi
Su, Xinliang
Article History
Received: 14 October 2017
Accepted: 7 February 2018
First Online: 13 February 2018
Ethics approval and consent to participate
: This work was supported by the ethics committee of The First Affiliated Hospital of Chongqing Medical University.
: 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.