Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2013CB967400)
National Natural Science Foundation of China (81570285, 81370196, 81670448)
National Institutes of Health (HL123747)
NationalNatural Science Foundation of China (81221001)
National Institutes of Health (HL119967)
Article History
Received: 30 July 2016
Revised: 16 October 2016
Accepted: 17 October 2016
First Online: 21 October 2016
Compliance with ethical standards
:
: The authors confirm that there are no conflicts of interest.