1. Department of Medical Genetics Poznan University of Medical Sciences Poznan Poland
2. Students' Scientific Society of Medical Genetics Poznan University of Medical Sciences Poznan Poland
3. Department of Ophthalmology Poznan University of Medical Sciences Poznan Poland
4. Department of Neurosurgery, Karol Jonscher Clinical Hospital Poznan University of Medical Sciences Poznan Poland
5. Department of Nephrology, Kidney Transplantation and Hypertension The Children's Memorial Health Institute Warsaw Poland
6. Department of Pathology and Laboratory Medicine Dalhousie University Halifax Nova Scotia Canada
7. IWK Health Centre Clinical Genomics Laboratory Halifax Nova Scotia Canada
8. Centers for Medical Genetics GENESIS Poznan Poland