1. Department of Human Genetics, Hannover Medical School, Hannover, Germany
2. MVZ Labor Krone GbR, Bad Salzuflen, Bielefeld, Germany
3. Department of Pathology, Hannover Medical School, Hannover, Germany
4. Department of Virology, Hannover Medical School, Hannover, Germany
5. Department of Gynaecology and Obstetrics, Hannover Medical School, Hannover, Germany