Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LY17H090006)
Foundation of Zhejiang provincial science and technology department (2016C34006)
Article History
Received: 17 November 2018
Accepted: 28 February 2019
First Online: 5 April 2019
Ethics approval and consent to participate
: This study was approved by the ethic committee of the Sir Run Run Shaw Hospital, Zhejiang University School of Medicine. Patient’s consents were waived by the ethic committee of the Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, due to the retrospective design of the study.
: Not applicable.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.