Institution: | Hong-Liang Huo, Department of Nursing, The Fourth Affiliated Hospital of Qiqihar Medical University, Qiqihar 161000, Heilongjiang Province, ChinaYuan-Yuan Gui, Chun-Miao Xu, Yan Zhang, Qiang Li, Nursing School, Qiqihar Medical University, Qiqihar 161006, Heilongjiang Province, China |