1. Department of Cell Biology, Yale University School of Medicine, New Haven, Connecticut 06510, USA
2. Department of Neuroscience, Yale University School of Medicine, New Haven, Connecticut 06510, USA
3. Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University School of Medicine, New Haven, Connecticut 06510, USA
4. Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, Connecticut 06510, USA
5. Kavli Institute for Neuroscience, Yale University School of Medicine, New Haven, Connecticut 06510, USA