1. Division of Integrative Physiology (M.N., D.G., P.S., B.Z., T.Y.), Jichi Medical University School of Medicine, Shimotsuke, Tochigi 329-0498, Japan;
2. Department of Biochemistry and Molecular Biology (C.M., T.O.), Division of Gene Therapy, Research Center for Advanced Medical Technology, Nippon Medical School, Tokyo 113-8603, Japan;
3. Metabolic and Obese Research Institute (M.M.), Maebashi, Gunma 371-0037, Japan;
4. Department of Developmental Physiology (T.Y.), Division of Adaptation Development, National Institute for Physiological Sciences, Okazaki, Aichi 444-8585, Japan