Affiliation: | 1.Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15 W7, Kita-ku, Sapporo, 060-8638, Japan ;2.Department of Ophthalmology, Teine Keijinkai Hospital, Sapporo, Japan ;3.Teine Yokoi Eye Clinic, Sapporo, Japan ;4.Department of Ophthalmology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima-shi, Kagoshima, 890-0075, Japan ; |