1. Graduate Institute of Clinical Medicine College of Medicine, Kaohsiung Medical University Kaohsiung Taiwan
2. Department of Obstetrics and Gynecology Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine Kaohsiung Taiwan
3. Department of Obstetrics and Gynecology Pingtung Christian Hospital Pingtung Taiwan
4. Center for Menopause and Reproductive Medicine Research Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine Kaohsiung Taiwan