1. Civil and Environmental Engineering, University of Michigan, 2350 Hayward St, G.G. Brown Building, Ann Arbor, MI 48109, USA
2. Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Avenue, EECS Building, Ann Arbor, MI 48109, USA
3. Primodal Inc., 145 Rue Aberdeen, Quebec City, Quebec, Canada