1. From the Human Genetics Center, School of Public Health, and
2. Department of Biochemistrxy, Brandeis University, Waltham, Massachusetts;
3. Retina Foundation of the Southwest, Dallas, Texas;
4. Departments of Ophthalmology and5Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas; and
5. Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan.
6. From the Human Genetics Center, School of Public Health, and7Department of Ophthalmology and Visual Science, The University of Texas Health Science Center, Houston, Texas;