1. Department of Physics and Astronomy, Northwestern University 1 , Evanston, Illinois 60208, USA
2. Centro de Informática, Universidade Federal de Pernambuco 2 , Recife, Pernambuco 52061080, Brazil
3. Department of Engineering Sciences and Applied Mathematics, Northwestern University 3 , Evanston, Illinois 60208, USA
4. Department of Chemical and Biological Engineering, Northwestern University 4 , Evanston, Illinois 60208, USA
5. Northwestern Institute on Complex Systems (NICO), Northwestern University 5 , Evanston, Illinois 60208, USA