1. Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan.
2. Neuroscience Program of Academia Sinica, Academia Sinica, Taipei 11529, Taiwan.
3. Genome and Systems Biology Degree Program, Academia Sinica and National Taiwan University, Taipei 10617, Taiwan.
4. Howard Hughes Medical Institute and Department of Biology, Stanford University, Stanford, CA 94305, USA.
5. Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
6. Neurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK.