Funding for this research was provided by:
National Natural Science Foundation of China (81272829)
Text and Data Mining valid from 2019-06-21
Received: 18 February 2019
Revised: 10 June 2019
Accepted: 12 June 2019
First Online: 21 June 2019
Ethics approval and consent to participate
: The study protocol conformed to the 1975 Declaration of Helsinki and all experiments involving human tissues and clinical data were performed in accordance with relevant guidelines. The present study was approved by the biomedical research ethics committee of Peking University First Hospital. Written informed contents were acquired from all the patients.
: Not applicable.
: The authors declare that they have no competing interests.