1. Department of Women's Health; University of Tübingen; Tübingen Germany
2. Laboratory Prof. Gisela Enders & Colleagues MVZ and Institute of Virology; Infectiology and Epidemiology e.V; Stuttgart Germany
3. Institute of Medical Virology and Epidemiology of Viral Diseases; University of Tübingen; Tübingen Germany
4. Department of Obstetrics and Gynaecology; University of Bonn; Bonn Germany
5. Department of Obstetrics and Gynaecology; University of Cologne; Cologne Germany
6. Department of Neonatology; University of Tübingen; Tübingen Germany
7. Department of Obstetrics and Gynaecology; University of Leuven; Leuven Belgium
8. CMV Research Foundation; Richmond VA USA