Hu, Yong
Li, Qiang
Wei, Bao-Gang
Zhang, Xian-Sen
Torsha, Tahsin Tarik
Xiao, Jun http://orcid.org/0000-0001-5165-1207
Shi, Zhan-Jun
Article History
Received: 23 July 2018
Accepted: 11 December 2018
First Online: 22 December 2018
Ethics approval and consent to participate
: The study has gotten approval from Medical Ethics Committee of Nanfang hospital. Consent to participate is not applicable for this retrospective study.
: This section is not applicable for our study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.