1. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
2. Core R&D, Dow Benelux B.V., Terneuzen 4530 AA, The Netherlands
3. Core R&D, The Dow Chemical Company, Midland, Michigan 48674, United States
4. Packaging & Specialty Plastics and Hydrocarbons R&D, Dow Benelux B.V., Terneuzen 4530 AA, The Netherlands
5. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States