Funding for this research was provided by:
National Natural Science Foundation of China (81541156)
Received: 21 August 2017
Accepted: 12 February 2018
First Online: 20 February 2018
Ethics approval and consent to participate
: Ethical permission was obtained from the Ethics Committee at the Affiliated Hospital of Jiangnan University (the Fourth People’s Hospital of Wuxi) and conformed to the provisions of the Declaration of Helsinki (as revised in Fortaleza, Brazil, October 2013). Tissues were acquired with written informed consent from all patients.
: Not Applicable.
: The authors declare that they have no competing interests.
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