1. 1Ministry of Health, General Directorate of Public Health, Virology Reference and Research Laboratory, Ankara, Turkey
2. 2Ministry of Health, General Directorate of Public Health, Vaccine Preventable Diseases Department, Ankara, Turkey
3. 3Izmir Public Health Laboratory, Provincial Health Directorate, Izmir, Turkey
4. 4Ministry of Health, General Directorate of Public Health, Ankara, Turkey