Zhang, De Wen
He, Jian
Article History
Received: 5 January 2018
Accepted: 29 March 2018
First Online: 10 April 2018
Ethics approval
: All experimental procedures were performed in compliance with the Biomedical Research standards of the Second Military Medical University (Shanghai, China) and approved by the Biomedical Research Ethics Committee of the Second Military Medical University.
: Not applicable
: The authors declare that they have no competing interests.
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