1. Department of Ophthalmology Osaka Medical College, Takatsuki-City, Osaka, Japan
2. Nakano Eye Clinic of Kyoto Medical Co-operative, Kyoto, Japan
3. Department of Pharmacology, Osaka Medical College, Takatsuki-City, Osaka, Japan
4. Department of Biomaterials, Institute for Frontier Medical Science, Kyoto University, Kyoto, Japan