1. Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
2. Department of Ophthalmology, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
3. Clinical Research Institute, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
4. Doheny Image Reading Research Lab, Doheny Eye Institute, Los Angeles, California, USA