1 Department of Nursing, Oriental Institute of Technology, New Taipei City, Taiwan.
2 Department of Medicine, Cheng-Hsin General Hospital, Taipei, Taiwan; Department of Nursing, Oriental Institute of Technology, New Taipei City, Taiwan; Department of Nursing, National Yang-Ming University, Taipei, Taiwan; Department of Obstetrics and Gynecology, National Yang-Ming University, Taipei, Taiwan.
3 Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Obstetrics and Gynecology, National Yang-Ming University, Taipei, Taiwan; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan. Electronic address: [email protected].