Funding for this research was provided by:
National clinical key specialist nursing project of China (2011872)
Nursing research fund of the Affiliated Hospital of Nanjing University (ZSC530)
Article History
Received: 22 July 2018
Accepted: 20 November 2018
First Online: 28 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.