1. Pedego Research Unit and Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
2. Department of Clinical Genetics, Oulu University Hospital, Oulu, Finland
3. Department of Ophthalmology, Oulu University Hospital, Oulu, Finland
4. Department of Otorhinolaryngology, Oulu University Hospital, Oulu, Finland
5. Blueprint Genetics, Espoo, Finland