Yifei, Gu
Xiaolong, Shen
Yang, Liu
Peng, Cao
Wen, Yuan
Funding for this research was provided by:
National Natural Science Foundation of China (81501918)
Article History
Received: 8 January 2018
Accepted: 28 May 2018
First Online: 9 July 2018
Compliance with ethical standards
: The manuscript submitted does not contain information about medical device(s)/drug(s).
: The authors declare that they have no conflict of interest.
: Our research was approved by the ethics department of Changzheng Hospital, Shanghai. We have consensus with all participants. We also followed the Declaration of Helsinki and relevant policies in China.