1. Institute of Basic Medical Sciences; National Cheng Kung University; Tainan Taiwan
2. Department of Microbiology and Immunology; National Cheng Kung University; Tainan Taiwan
3. Department of Obstetrics and Gynecology; College of Medicine; National Cheng Kung University and Hospital; Tainan Taiwan
4. Department of Pharmacology; National Cheng Kung University; Tainan Taiwan