Institution: | 1. Department of Clinical Humanistic Care and Nursing Research Center, School of Nursing, Hebei Medical University, 361 East Zhongshan Road, Shijiazhuang 050017, Hebei Province, China;2. Shijiazhuang Obstetrics and Gynecology Hospital, 206 East Zhongshan Road, Shijiazhuang 050017, Hebei Province, China |