Liu, Bolin
Wang, Yuan
Liu, Shujuan
Zhang, Yufu
Lu, Dan
Chen, Lei
Zheng, Tao
Zhao, Tianzhi
Zhao, Lanfu
Sankey, Eric W.
Gao, Guodong
Qu, Yan
He, Shiming http://orcid.org/0000-0002-7697-9337
Article History
Received: 18 August 2019
Accepted: 12 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee (Ethical Committee of Tangdu Hospital) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.