Funding for this research was provided by:
Capital's Funds for Health Improvement and Research (2014-1-4091)
Key Clinical Program of Peking University Third Hospital (BYSY2015002)
Text and Data Mining valid from 2018-07-06
Received: 27 March 2018
Accepted: 29 June 2018
First Online: 6 July 2018
Ethics approval and consent to participate
: Institutional review board approval for this study was obtained from the Ethics Committee of the Peking University Third Hospital (2017SZ-084). All patients provided generic consent for use of their personally unidentified data for research upon commencement of treatment.
: Not applicable.
: The authors declare that they have no competing interests.
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