[1] Univ British Columbia, Kinsmen Lab Neurol Res, Vancouver, BC V6T 1Z3, Canada
[2] Takeda Chem Ind Ltd, Pharmaceut Dev Div, Drug Safety Res Labs, Yodogawa Ku, Osaka 5328686, Japan
[3] Kyoto Univ, Fac Med, Dept Neurol, Sakyo Ku, Kyoto 6068507, Japan
[4] Yamanouchi Pharmaceut Co Ltd, Inst Drug Discovery Res, Pharmacol Labs, Ibaraki 3058585, Japan