Hu, Yabin
Rao, Shengxiang
Xu, Xiaolin
Tang, Yibo
Zeng, Mengsu
Article History
First Online: 4 April 2018
Compliance with ethical standards
:
: Author Yabin Hu declares that he has no conflict of interest. Author Shengxiang Rao declares that he has no conflict of interest. Author Xiaolin Xu declares that she has no conflict of interest. Author Yibo Tang declares that she has no conflict of interest. Author Mengsu Zeng declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: As this is a retrospective study, informed consent from the patients was not required.