1. Federal Ministry for Health, Family and Youth, Directorate Public Health
2. European Centre for Disease Control, Preparedness and Response Unit
3. EUVAC.NET hub, Department of Epidemiology, Statens Serum Institut, Copenhagen, Denmark
4. World Health Organization Regional Office for Europe (WHO /EURO), Communicable Diseases Unit, Copenhagen, Denmark
5. European Commission, Directorate General Health and Consumers, Health Threats Unit, Brussels, Belgium
6. Regional Health Board, Salzburg, Austria
7. Regional Health Board, Vienna, Austria
8. National Measles Reference Centre, Clinical Institute for Virology, Medical University Vienna, Austria
9. Austrian National Immunisation Advisory Board