1. Department of Biology, Washington University in St. Louis, St. Louis, Missouri, USA
2. Center for Science & Engineering of Living Systems (CSELS), McKelvey School of Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
3. Department of Biology, The City College of New York, New York, New York, USA
4. Programs in Biology and Biochemistry, The Graduate Center of the City University of New York, New York, New York, USA