Funding for this research was provided by:
National Natural Science Foundation of China (NSFC 81670130)
Article History
Received: 2 November 2017
Accepted: 8 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The study was approved by ethic committee of Ruijin Hospital affiliated Shanghai Jiao tong University and informed consent were obtained from all subjects enrolled or legal guardians of individuals under age 16.
: Not applicable.
: The authors declare that they have no competing interests.
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