1. GSK, Wavre, Belgium
2. Department of Acute Infectious Disease Control and Prevention, Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
3. Department of Immunization Program, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
4. GSK, Bangalore, India
5. GSK, Rockville, MD, USA
6. Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
7. Songjiang Center for Disease Control and Prevention, Shanghai, China
8. Yangpu Center for Disease Control and Prevention, Shanghai, China
9. Huangpu Center for Disease Control and Prevention, Shanghai, China
10. Changning Center for Disease Control and Prevention, Shanghai, China
11. Jiangsu province Center for Disease Control and Prevention, Nanjing, China
12. Ganyu Center for Disease Control and Prevention, Lianyungang, China
13. Lianshui Center for Disease Control and Prevention, Lianshui, China