Chen, RuoHan
Chen, KePing
Dai, Yan
Zhang, Shu
Article History
Received: 26 July 2018
Revised: 30 October 2018
Accepted: 13 November 2018
First Online: 24 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: In this study, all procedures performed were in accordance with the Helsinki declaration and with the ethical standards of the institutional research committee.
: All patients enrolled in this study signed an informed consent.