Funding for this research was provided by:
National Natural Science Foundation of China (8167016)
National Natural Science Foundation of China (81170518, 81270611, 81470010, 81570137, 81370635, 81400135)
Capital Foundation of Medical Development (SF2001-5001-07)
Beijing Natural Science Foundation (7151009)
National Public Health Grant Research Foundation (No.201202017)
Technology Innovation Nursery Foundation (13KMM01)
Article History
Received: 13 November 2017
Accepted: 27 July 2018
First Online: 6 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This article does not contain any studies with either human participants or animals performed by any of the authors.