1. Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833401, Taiwan
2. Center for Menopause and Reproductive Medicine Research, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833401, Taiwan
3. Department of Obstetrics and Gynecology, Jen-Ai Hospital, Taichung 412224, Taiwan
4. Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung 833401, Taiwan
5. Department of Biological Science, National Sun Yat-sen University, Kaohsiung 804201, Taiwan
6. Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833401, Taiwan