1. Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
2. Core R&D Analytical Sciences, The Dow Chemical Company, Midland, Michigan 48667, Unites States
3. Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
4. Performance Plastics Characterization, The Dow Chemical Company, Lake Jackson, Texas 77541, United States