1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Gunma University Graduate School of Medicine, Gunma, Japan.
2. Metabolic Signal Research Center, Institute for Molecular and Cellular Regulation, Gunma University, Gunma, Japan.
3. Department of Ophthalmology, Gunma University Graduate School of Medicine, Gunma, Japan.
4. Laboratory of Molecular Traffic, Department of Molecular and Cellular Biology, Institute for Molecular and Cellular Regulation, Gunma University, Gunma, Japan.
5. Department of Human Pathology, Gunma University Graduate School of Medicine, Gunma, Japan.