Yao, Qiang
Qi, Xiaona
Xie, Shao-Hua
Funding for this research was provided by:
Harbin City Research and Development Project on Applied Technologies (2016RAQXJ152)
Heilongjiang Provincial Society of Nursing Research Fund (2018HL51011001)
Article History
Received: 22 June 2020
Accepted: 23 November 2020
First Online: 11 December 2020
Ethics approval and consent to participate
: The analyses were solely based on publicly available data of population sizes and aggregate number of cancer cases and as such, ethical approval was not deemed to be necessary.
: Not applicable.
: The authors declare that they have no conflict of interest.