Qin, Juan
Zhu, Hai-Dong
Guo, Jin-He
Pan, Tao
Lu, Jian
Ni, Cai-Fang
Wu, Ping
Xu, Hao
Mao, Ai-Wu
Teng, Gao-Jun http://orcid.org/0000-0001-5800-3640
Funding for this research was provided by:
National Natural Science Foundation of China (81827805, 81671796)
Jiangsu Commission of Health (YXZXA2016005)
Article History
Received: 22 August 2019
Accepted: 16 November 2019
First Online: 26 November 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The current study is in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Clinical Ethics Committees of all participating hospitals.
: Informed consent was waived because of the retrospective nature of this study.