1. Graduate Program in Systems, Synthetic, and Physical Biology, Rice University, Houston, Texas 77005, United States
2. Department of Mechanical and Aerospace Engineering, Bioengineering, and Molecular Biology Institute, University of California at Los Angeles, Los Angeles, California 90095, United States
3. Department of Biosciences, Rice University, Houston, Texas 77005, United States
4. Department of Bioengineering, Rice University, Houston, Texas 77005, United States