1. Department of Molecular and Cellular Physiology, Stanford University, Stanford, CA 94305
2. Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA 94305
3. Department of Structural Biology, Stanford University, Stanford, CA 94305
4. Department of Photon Science, Stanford University, Stanford, CA 94305
5. HHMI, Stanford University, Stanford, CA 94305