Xutong Zheng1, Chenju Zhan2. 1. School of Nursing, Fujian University of Traditional Chinese Medicine, Fuzhou, China. 2. Department of Nursing, The Affiliated Mindong Hospitial of Fujian Medical University, No. 89 HeShan Road, Fuan City, Ningde, 355000, Fujian, China. chenjuzhan@yeah.net.