1. Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung City 83301, Taiwan
2. School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung City 82425, Taiwan
3. Center for Menopause and Reproductive Medicine Research, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung City 83301, Taiwan
4. Medical Laboratory, Medical Education and Research Center, Kaohsiung Armed Forces General Hospital, Kaohsiung City 80284, Taiwan
5. School of Medicine, College of Medicine, I-Shou University, Kaohsiung City 82425, Taiwan
6. An-An Women and Children Clinic & ART Center, Kaohsiung City 80759, Taiwan