[1] Univ Calif Berkeley, Dept Cell & Mol Biol, Berkeley, CA 94720 USA
[2] Univ Calif Irvine, Irvine, CA USA
[3] Yale Univ, New Haven, CT 06520 USA
[4] Columbia Univ, New York, NY 10027 USA
[5] Univ Calif San Diego, San Diego, CA 92103 USA
[6] Inst Neurosci, Shanghai, Peoples R China
[7] UCL, Inst Neurol, London WC1E 6BT, England
[8] Natl Hosp Neurol & Neurosurg, London, England
[9] Stanford Univ, T Meyers Lab, Stanford, CA 94305 USA
[10] Univ Tokyo, Tokyo 1138654, Japan
[11] RIKEN MIT, Neurosci Res Ctr, Cambridge, MA USA