1. From the Department of Ophthalmology, Kanazawa University Graduate School of Medical Science, Ishikawa, Japan; the
2. Department of Anatomy and Cell Biology, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan; the
3. Radiation Biology Center, Kyoto University, Kyoto, Japan; and the
4. Division of Molecular Brain Science, Department of Brain Sciences, Kobe University Graduate School of Medicine, Kobe, Japan.