1. Department of Hematology, Endocrinology & Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School, Japan
2. Diabetes Therapeutics and Research Center, Tokushima University, Japan
3. Department of Neurosurgery, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
4. Institute of Advanced Medical Sciences, Fujii Memorial Institute of Medical Sciences, Tokushima University, Japan