1. College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
2. Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
3. Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
4. College of Medical and Health Science, Fooyin University, Kaohsiung, Taiwan