1. Interdisciplinary Graduate Program in Quantitative Biosciences, Georgia Institute of Technology, North Avenue, Atlanta, GA 30332, USA.
2. School of Physics, Georgia Institute of Technology, 837 State St NW, Atlanta, GA 30332, USA.
3. Institute for Robotics and Intelligent Machines, Georgia Institute of Technology, 801 Atlantic Dr NW, Atlanta, GA 30332, USA.
4. School of Mathematics, Georgia Institute of Technology, 686 Cherry St NW, Atlanta, GA 30332, USA.