Gao, Ni
Tian, Sijia
Li, Xia
Huang, Jian
Wang, Jingjing
Chen, Sipeng
Ma, Yuan
Liu, Xiangtong
Guo, Xiuhua http://orcid.org/0000-0001-6657-6940
Funding for this research was provided by:
Natural Science Fund of China (81172772, 81373099)
Natural Science Fund of Beijing (4112015, 7131002)
Article History
First Online: 16 September 2019
Compliance with Ethical Standards
: The protocol was approved by the ethics committee of Xuanwu Hospital, Capital Medical University (Approval Document No. [2011] 01). All subjects provided informed consent.
: The authors declare that they have no conflict of interest.