1. Department of NursingFooyin University Kaohsiung Taiwan
2. Department of Obstetrics and Gynecology, College of MedicineNational Cheng‐Kung University Tainan Taiwan
3. Department of NursingHungKuang University Taichung Taiwan
4. Department of Nursing & Institute of Allied Health SciencesNational Cheng Kung University Tainan Taiwan