1. Department of Ophthalmology, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
2. Department of Ophthalmology, Nippon Medical School, Tokyo, Japan
3. Clinical Investigation Center 1423, Inserm and Quinze-Vingts National Ophthalmology Hospital, Paris, France
4. Department of Ophthalmology, Nippon Medical School Musashikosugi Hospital, Kawasaki-city, Japan