Funding for this research was provided by:
Research and Development Foundation of Peking University People’s Hospital (RDC2015-13)
Article History
Received: 26 March 2018
Accepted: 8 November 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: Ethical approval number: 2015PHB102–01.This study was approved by the institutional review board of Peking University People’s Hospital, and written, informed consent was obtained from all patients.
: Informed consent was obtained.
: The authors declare that they have no competing interests.
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