1. Department of Molecular & Cell Biology and Helen Wills Neuroscience Institute, University of California, Berkeley, California, USA.
2. Departments of Chemistry and Molecular & Cell Biology and Helen Wills Neuroscience Institute, University of California, Berkeley, California, USA.
3. Department of Neuroscience, Brown University, Providence, Rhode Island, USA.
4. Brain Science Institute, Korea Institute of Science and Technology, Seoul, South Korea.