Funding for this research was provided by:
National Natural Science Foundation of China (81572209)
Article History
Received: 7 April 2018
Accepted: 22 October 2018
First Online: 9 November 2018
Compliance with ethical standards
:
: The authors declare that they have no potential conflict of interest.
: This study was approved by the Research Ethics Committee of Huashan Hospital, Fudan University (KY2016-002).