1. Department
of Mechanical Engineering, Northwestern University, 2145 Sheridan
Road, Evanston, Illinois 60208-3109, United States
2. Department of Civil & Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3109, United States
3. Core Research & Development, The Dow Chemical Company, 400 Arcola Road, Collegeville, Pennsylvania 19426, United States