Jia, Chaoqing
Funding for this research was provided by:
National Natural Science Foundation of China (61673141)
Fok Ying Tung Education Foundation (151004)
Outstanding Youth Science Foundation of Heilongjiang Province of China (JC2018001)
University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province of China (UNPYSCT-2016029)
Article History
Received: 26 November 2018
Accepted: 30 January 2019
First Online: 7 February 2019
Competing interests
: The two authors declared that they have no competing interests.