Funding for this research was provided by:
Jiangsu Youth Medical Key Talents Cultivation (QNRC2016442)
Received: 27 June 2018
Accepted: 15 January 2019
First Online: 21 January 2019
Ethics approval and consent to participate
: This study was reviewed and approved by The Second Affiliated Hospital of Nanjing Medical University Review Board.
: Informed consent was signed by the patient.
: The authors declare that they have no competing interests.
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