Funding for this research was provided by:
National Key Projects for Infectious Diseases of China (2012ZX10002012-007, 2016ZX10002018-008)
National Natural Science Foundation of China (31270863, 81402082, 81472227, 81472377, 81672544)
Program for New Century Excellent Talents in University (NCET-13-0146)
Shanghai Municipal Natural Science Foundation (16ZR1406500)
Shanghai Municipal Commission of Health and Family Planning Program (20144Y0223)
Received: 2 March 2017
Accepted: 9 May 2018
First Online: 24 May 2018
Ethics approval and consent to participate
: The study was approved both by the Clinical Research Ethics Committee of Fudan University Shanghai Cancer Center and Zhongshan Hospital, Fudan University. Patients gave written informed consent prior to collection of any specimens.
: The authors declare that they have no competing interests.
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