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After publication of this work [1], we found that we inadvertently failed to include the complete title of the affiliation. The full description of affiliation has now been added and the Authors’ contributions and Competing interests section modified accordingly.
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Competing interests
The authors declare that they have no competing interests.
Authors’ contributions
XXF and LSY conceived the study, performed most experiment and drafted the manuscript. HY participated in collecting the specimens. LZY and ZLH participated in the clinical data collection. WXZ participated in the manuscript writing and revision. DH carried out celluar studies. ML construceted the expression vector. JYN carried out a part of celluar studies. SCC and JJF conceived the study, participated in its design and gave final approval of the version to be published. All authors read and approved the final manuscript.