1. Department of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C.
2. Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C.
3. Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C.
4. Department of Obstetrics, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan, R.O.C.
5. Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C.