1. Sex Hormone Research Center; Department of Obstetrics and Gynecology; Research Center for Tumor Medical Science; Taichung 40403 Taiwan
2. Department of Gastroenterology; China Medical University/Hospital; China Medical University; Taichung 40403 Taiwan
3. Department of Surgery; China Medical University/Hospital; China Medical University Taichung; Taichung 40403 Taiwan
4. Graduate Institution of Clinical Medical Science, Graduate Institute of Biomedical Sciences, and Graduate Institution of Cancer Biology, School of Medicine; China Medical University; Taichung 40403 Taiwan
5. Department of OBs & GYN; Chia-Yi Chang-Gung Memorial Hospital; Chang Gung University College of Medicine; Chia-Yi Taiwan
6. Department of OBs & GYN, BenQ Medical Center; Nanjing Medical University; Suzhou Jiangsu Province 215004 China
7. Department of OBs & GYN; Kaohsiung Chang-Gung Memorial Hospital; Kaohsiung Taiwan
8. Department of Nursing; Asia University; Taichung 41354 Taiwan