Funding for this research was provided by:
National Key Research and Development Program: The key technology of palliative care and nursing for cancer patients (2017YFC1309200)
Received: 20 July 2020
Accepted: 25 February 2021
First Online: 6 March 2021
: Ethical approval was received from the Ethics Committee of Hunan Cancer hospital (2018–22). This research was carried out in accordance with the principles of the Helsinki Declaration. Participants were informed of the purpose, content, benefits, risks, and voluntariness in participating in this study. Those who filled out the questionnaire were consent to participate.
: Not applicable.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this paper.