Funding for this research was provided by:
National Natural Science Foundation of China (81401048)
Article History
Received: 28 August 2018
Accepted: 25 March 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: This study was approved by the ethics committee of Huashan Hospital. Written informed consents for participation were obtained from both patients and their relatives.
: Written informed consents for publication were obtained from both patients and their relatives.
: The authors declare that they have no competing interests.
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