1Minami Diabetes Clinical Research Center, Fukuoka, Japan
2Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
3Tenjin Eye Clinic, Ohshima Eye Hospital, Fukuoka, Japan
4Clinic Masae Minami, Fukuoka, Japan
5Department of Public Health, School of Medicine, Yokohama City University, Yokohama, Japan
6Shiraya Eye Clinic, Tokyo, Japan
7Tokyo Women’s Medical University Adachi Medical Center, Tokyo, Japan