Su, Meilei
Li, Enze
Tang, Chong
Zhao, Yongzhi
Liu, Ruqing
Gao, Keming
Funding for this research was provided by:
Science and Technology Planning Project of Guangdong Province, China (N/A)
South hospital president fund (N/A)
Article History
Received: 5 June 2019
Accepted: 5 November 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Boards of Nanfang Hospital of Southern Medical University. The requirement of patient informed consent was waived in view of the retrospective nature of the study.
: The requirement of patient informed consent was waived in view of the retrospective nature of the study.
: The authors declare that there are no conflicts of interest.