1. Department of Ophthalmology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
2. Department of Ophthalmology, Toyama City Hospital, Toyama, Japan
3. Department of Ophthalmology, Toyama Red Cross Hospital, Toyama, Japan
4. Department of Ophthalmology, Koseiren Takaoka Hospital, Takaoka, Japan
5. Ohkubo Eye Clinic, Kanazawa, Japan
6. Department of Ophthalmology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan