1. School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.
2. Post-BaccalaureateProgram in Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan.
3. School of Nursing, University of Minnesota, Minneapolis, MN, USA.
4. Department of Obstetrics and Gynecology, Taipei Medical University Hospital, Taipei, Taiwan.
5. Faculty of Health and Medicine, College of Nursing, InstitutIlmu Kesehatan Bhakti Wiyata, Kediri, Indonesia.