4Hasson F, Keeney S, McKenna H. Research guidelines for the Delphisurvey technique [ J ]. J Adv Nurs, 2000,32(4) : 1008-1015.
5Johansson P, Oleni M. Patient satisfaction with nursing care in the context of health care: a literature study[J]. Scand J Caring Sci, 2002,5 (16) :337-344.