Shang, Mei-Mei http://orcid.org/0000-0003-0580-4000
Yan, Rong
Wang, Xing-Li
Gong, Wei-Peng
Guo, Zhen-Qing
Funding for this research was provided by:
Health and Family Planning Commission of Shandong Province (2016WS0558)
Article History
First Online: 23 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was approved by the Ethics Committee of Shandong Cancer Hospital and Institute.
: Informed consent was obtained from all individual participants included in the study.