Funding for this research was provided by:
Research and development fund of Peking University people's hospital. (2147000189)
Text and Data Mining valid from 2019-02-04
Received: 4 December 2018
Accepted: 29 January 2019
First Online: 4 February 2019
Ethics approval and consent to participate
: Not applicable.
: We received explicit consent from the patient.
: The authors declare that they have no competing interests.
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