1. Department of Medicine, Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan, ROC
2. Department of Medicine, Division of Nephrology, Fu Jen Catholic University Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, ROC
3. Department of Medical Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan, ROC
4. Department of Obstetrics and Gynecology, Taoyuan Armed Forced General Hospital, Taiwan, ROC
5. Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
6. Department of Clinical pathology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan, ROC
7. Department of Biotechnology, Ming Chuan University, Taoyuan City 333, Taiwan, ROC