Funding for this research was provided by:
National Natural Science Foundation of China (81672449)
Natural Science Foundation of Jiangsu Province (BK20161590)
International exchange and cooperation projects of Nanjing Medical University (C046)
Text and Data Mining valid from 2018-11-06
Received: 6 August 2018
Accepted: 23 October 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: This study was approved by the institutional review board at The First Affiliated Hospital of Nanjing Medical University (No. 2016-SR-210). Due to the retrospective nature of this study and all data was retrieved from medical records without additional blood samples or biochemical analysis, informed consent from individual participants was waived.
: Not applicable
: The authors declare that they have no competing interests.
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