1. Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan (Dr Miyamoto, Mr Iegaki, Mr Fu, Mr Ishikawa, Mr Sumi, Mr Azuma, and Drs Uno and Nitta)
2. Division of Neurology, Jichi Medical University, Shimotsuke, Japan (Dr Muramatsu)
3. Center for Gene & Cell Therapy, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan (Dr Muramatsu)