1. Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
2. Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
3. Department of Nuclear Medicine and Molecular Imaging Center, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
4. Chang Gung Memorial Hospital and Chang Gung University; and Graduate Institute of Clinical Medical Sciences, Chang Gung University School of medicine, Tao-Yuan, Taiwan