1. Institut für Humangenetik; Universität zu Lübeck; Lübeck Germany
2. Institut für Humangenetik; Universitätsklinikum Essen, Universität Duisburg-Essen; Essen Germany
3. Institute of Human Genetics; RWTH Aachen University; Aachen Germany
4. Institute of Human Genetics|; University of Leipzig Hospitals and Clinics; Leipzig Germany
5. Department of Human Genetics; Hannover Medical School; Hannover Germany
6. Department of Genetics; University of Groningen, University Medical Centre Groningen; Groningen The Netherlands
7. Center of Human Genetics; Jena University Hospital; Jena Germany
8. MVZ Human Genetics; Ulm Germany