Funding for this research was provided by:
National Natural Science Foundation of China (81101540, 81101637, 81272388, 81172273, 81000968, 81301820, 81472673)
Doctoral Fund of Ministry of Education of China (20120071110058)
National Clinical Key Special Subject of China
Text and Data Mining valid from 2018-04-13
Received: 9 October 2017
Accepted: 8 April 2018
First Online: 13 April 2018
Ethics approval and consent to participate
: All samples were coded anonymously in accordance with local ethical guidelines, as stipulated by the Declaration of Helsinki with written informed consent and a protocol approved by the Ethics Review Committee of Zhongshan Hospital of Fudan University with the following reference number B2016-113R, and every patient provided written informed consent before enrollment.
: The authors declare that they have no competing interests.
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