1. From the Laboratory of Retinal Cell Biology and the2Departments of Ophthalmology and3Cell Differentiation, Keio University School of Medicine, Tokyo, Japan; and the
2. From the Laboratory of Retinal Cell Biology and the3Cell Differentiation, Keio University School of Medicine, Tokyo, Japan; and the
3. Departments of Ophthalmology and
4. Cell Differentiation, Keio University School of Medicine, Tokyo, Japan; and the
5. From the Laboratory of Retinal Cell Biology and the2Departments of Ophthalmology and
6. From the Laboratory of Retinal Cell Biology and the
7. Department of Ophthalmology, Kobe City General Hospital, Kobe, Japan.