Hua, Wang
Ma, Feiyue
Wang, Ying
Fu, Songling
Wang, Wei
Xie, Chunhong
Zhang, Yiying
Gong, Fangqi
Funding for this research was provided by:
National Natural Science Foundation of China (81670251)
Natural Science Foundation of Zhejiang Province (LY16H020001)
Research Foundation of Health Bureau of Zhejiang Province (2016KYB175)
Article History
Received: 12 September 2018
Revised: 21 November 2018
Accepted: 30 November 2018
First Online: 6 December 2018
Compliance with ethical standards
:
: The retrospective studies have been approved by the ethics committee in our hospital and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: None.