Funding for this research was provided by:
National Natural Science Foundation of China (81701730)
Text and Data Mining valid from 2019-08-08
Received: 27 November 2018
Accepted: 12 July 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Zhongshan Hospital of Fudan University (approval number: IRB2015–098) in accordance with the Helsinki Declaration of 1975, as revised in 2000. Written informed consents were obtained from all patients.
: Written informed consents were obtained from included patients for publication of clinical data and accompanying medical images.
: The authors declare that they have no competing interests.