Qiu, Jiang
Li, Jun
Chen, Guodong
Huang, Gang
Fu, Qian
Wang, Changxi
Chen, Lizhong http://orcid.org/0000-0003-3182-7441
Article History
Received: 12 January 2018
Accepted: 12 March 2019
First Online: 22 March 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China. The consent to participate is not required due to the retrospective nature of this study in this section.
: Not applicable.
: The authors declare that they have no competing interests.
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