1. Division of Neurogenetics, Center for Neurological Diseases and Cancer (M.M., S.H., B.O., A.M., K.O.), Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
2. Department of Orthopaedic Surgery (M.M., H.K., N.I.), Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
3. Department of Media Science (K.M.), Graduate School of Information Science, Nagoya University, Nagoya 466-8550, Japan
4. Department of Diabetes, Endocrinology and Nutrition (A.Y.), Kyoto University Graduate School of Medicine, Kyoto 606-8501, Japan