1. Drug Development Division, Sumitomo Pharma Co., Ltd, Tokyo, Japan
2. Clinical Research, Sumitomo Pharma America, Inc, USA
3. Department of Neurology, Aichi Medical University School of Medicine, Nagakute, Japan
4. Department of Business Development, A2 Healthcare Corporation, Tokyo, Japan, and
5. Aichi Medical University School of Medicine, Nagakute, Japan