1. Howard Hughes Medical Institute, Boston Children's Hospital, Boston, United States
2. Department of Neurobiology, Harvard Medical School, Boston, United States
3. Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, United States
4. Howard Hughes Medical Institute, Department of Chemistry and Chemical Biology, Harvard University, Cambridge, United States
5. Department of Physics, Harvard University, Cambridge, United States
6. Department of Medicine, James J. Perters VA Bronx, Icahn School of Medicine at Mount Sinai, New York, United States