Funding for this research was provided by:
National Natural Science Foundation of China (81671701)
Nanjing Medical Science and technique Development Foundation (QXR17011)
Article History
Received: 12 January 2019
Accepted: 10 April 2019
First Online: 17 May 2019
Compliance with ethical standards
:
: There are no conflicts of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study.