Guo, Xu
Zhang, Chao
Ma, Wenjuan
Tian, Fei
Xu, Guijun
Han, Xiuxin
Sun, Peng
Baklaushev, Vladimir P.
Bryukhovetskiy, Andrey S.
Wang, Guowen
Ma, Yulin
Wang, Xin http://orcid.org/0000-0001-9325-3194
Funding for this research was provided by:
National Natural Science Foundation of China (81702161, 81872184, 81801781, 81602363)
Russian Foundation for Basic Research (15-29-01338)
Natural Science Foundation of Tianjin Municipal Science and Technology Commission (17JCQNJC11000)
Natural Science Foundation of Tianjin Medical University (2016KYZQ10)
The Doctor Start-up Grant of Tianjin Medical University Cancer Institute and Hospital (B1612, B1711)
Article History
Accepted: 30 November 2018
First Online: 8 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The present study complied with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards and the study was approved by the Research Ethics Board of the Tianjin Medical University Cancer Institute and Hospital.
: The SEER database is an open public database, and the release of data from the SEER database does not require informed patient consent because cancer is a reportable disease in every state of the USA.