1 College of Medicine, Chang Gung University, Guishan, Taoyuan, Taiwan.
2 Department of Thoracic Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Guishan, Taoyuan, Taiwan.
3 Department of Anatomic Pathology, Chang Gung Memorial Hospital, Guishan, Taoyuan, Taiwan.
4 Department of Obstetrics and Gynaecology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Guishan, Taoyuan, Taiwan. Electronic address: cindy8740730@gmail.com.