1. Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
2. Department of Ophthalmology, Tsurumi University School of Dental Medicine, Kanagawa, Japan
3. Department of Ophthalmology, Tokyo Dental College, Ichikawa, Chiba, Japan
4. Ryogoku Eye clinic, Tokyo, Japan
5. Department of Pharmaceutical Sciences, Nihon Pharmaceutical Hospital, Saitama, Japan