Gao, Jin‐Mou
Du, Ding‐Yuan
Kong, Ling‐Wen
Yang, Jun
Li, Hui
Wei, Gong‐Bin
Li, Chang‐Hua
Liu, Chao‐Pu
Article History
First Online: 8 January 2020
Compliance with ethical standards
:
: The authors have no conflict of interest to report and have received no financial or material support related to this manuscript.
: Because no human subjects were involved in the manuscript and because only deidentified data were used, the requirement for an ethical review and informed consent was waived by the Institutional Review Board of Chongqing Emergency Medical Center (CEMC), China.
: Informed consent was obtained from all individual participants included in the study.