Wan, Jun
Xu, Shiping
Wu, Yinqiao
Wu, Benyan
Liao, Dezhong Joshua
Xu, Ningzhi
Wang, Gangshi
Article History
Received: 27 September 2017
Accepted: 22 January 2018
First Online: 7 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any study with animals. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional (Chinese PLA General Hospital) and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This is a retrospective statistical analysis on deceased patients’ clinical data without disclosing the patients’ identity. Signed consent from the patients was not available and is not required according to the ethical committee of Chinese PLA General Hospital.