1. From the Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Biomedicum Helsinki, Helsinki, Finland; the2Department of Molecular Genetics and the3Department of Medical Genetics, University of Helsinki, Helsinki, Finland; the
2. Departments of Medical Genetics and5Surgery, University of Calgary, Calgary, Alberta, Canada;
3. Department of Molecular Genetics and the6Helsinki University Eye Hospital, Helsinki, Finland; the
4. Department of Ophthalmology, University of Kuopio, Kuopio, Finland; and the
5. Population Genetics Unit, The Folkha¨lsan Institute of Genetics, Helsinki, Finland; the
6. Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.
7. From the Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Biomedicum Helsinki, Helsinki, Finland; the3Department of Medical Genetics, University of Helsinki, Helsinki, Finland; the