Wang, Yanyan
Wang, Yilin
Zhang, Zhenyu
Funding for this research was provided by:
National Natural Science Foundation of China (81571455)
Article History
Received: 30 November 2017
Accepted: 12 March 2018
First Online: 11 April 2018
Ethics approval and consent to participate
: This study was approved by the ethical committees of Beijing Chaoyang Hospital, Capital Medical University, China.
: Not applicable.
: The authors declare that they have no competing interests.
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