1. Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Palo Alto, CA, USA, 94305
2. Department of Structural Biology, Stanford University, Palo Alto, CA, USA, 94305
3. Stanford PULSE Institute, SLAC National Laboratory, Menlo Park, CA, USA, 94025
4. Linac Coherent Light Source, SLAC National Laboratory, Menlo Park, CA, USA, 94025
5. Biosciences Division, SLAC National Laboratory, Menlo Park, CA, USA, 94025