Received: 27 August 2018
Accepted: 14 January 2019
First Online: 2 February 2019
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Affiliated People’s Hospital of Jiangsu University. Patients and healthy controls gave written informed consent prior to collection of their blood and tissue specimens.
: Not applicable.
: The authors declare that they have no competing interests.
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