Funding for this research was provided by:
National Natural Science Foundation of China (81371983)
the Military Logistics Research Project (CWH17J009, 19QNP047)
the Youth Science and Technology Foundation of Gansu Province (1606RJYA300)
he Health Industry Research Plan Project of Gansu Province (GSWSKY2018-21)
Natural Science Foundation of Gansu Province (1606RJZA208)
Article History
Received: 13 December 2018
Accepted: 16 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee (The 940th Hospital of PLA Joint Logistics Support Force, no.2006KYLL012). Informed consent was obtained from all individuals who participated in the study. This study was performed in accordance with the Declaration of Helsinki as revised in 2008 and was authorized by the ethical committee of our institution. All patients provided informed consent to participate in this study.
: Not applicable, as no identifying personal information is included in this manuscript. All patients or their families signed informed consent before surgery and provided the consent to publish and report individual clinical data.
: The authors declare that they have no competing interests.