1. Department of Ophthalmology Hyogo College of Medicine Hyogo Japan
2. Japan Clinical Retina Study (JCREST) group Kagoshima Japan
3. Department of Ophthalmology, Sumitomo Hospital Osaka Japan
4. Department of Ophthalmology Kagoshima University Kagoshima Japan
5. Department of Ophthalmology Kobe University Graduate School of Medicine Hyogo Japan
6. Department of Ophthalmology and Visual Science Nagoya City University Graduate School of Medical Sciences Aichi Japan
7. Department of Ophthalmology Tokushima University Tokushima Japan
8. Department of Ophthalmology Mie University Mie Japan
9. Department of Ophthalmology Sapporo City General Hospital Hokkaido Japan
10. Department of Ophthalmology Nara Medical University Nara Japan