1. Department of Microbiology and Molecular Genetics; Rutgers-New Jersey Medical School; Newark New Jersey
2. National Institute of Diagnostics and Vaccine Development in Infectious Diseases; Xiamen University; Xiamen China
3. Vaccines Research; Merck Research Laboratories; West Point Pennsylvania
4. Department of Obstetrics and Gynecology; The Affiliated Zhongshan Hospital; Xiamen University; Xiamen China