[1] Kyoto Prefectural Univ Med, Dept Ophthalmol, Kyoto, Japan
[2] Kyoto Prefectural Univ Med, Grad Sch Med Sci, Dept Biostat, Kyoto, Japan
[3] Nagoya Univ Hosp, Dept Adv Med, Nagoya, Aichi, Japan
[4] Kyoto Prefectural Univ Med, Dept Frontier Med Sci & Technol Ophthalmol, Kyoto, Japan