1. Department of Immunization Planning, Luohu District Center for Disease Control and Prevention, Shenzhen, China
2. Department of Disease Control, Baoan Public Health Service Centre, Shenzhen, China
3. Department of Immunization Planning, Baoan District Center for Disease Control and Prevention, Shenzhen, China
4. Department of Chronic Disease Management, Yantian District Center for Disease Control and Prevention, Shenzhen, China
5. Division of Immunization Planning, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
6. Department of Medical Institution Supervision And Management, Baolong Public Health Service Center, Shenzhen, China
7. Department of Public Health Surveillance, Guangming District Center for Disease Control and Prevention, Shenzhen, China