1. Polymer
Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States
2. Department
of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
3. Department
of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200, United States
4. Department
of Physics, Brock University, St. Catharines, Ontario L2S 3A1, Canada
5. Canadian
Neutron Beam Centre, National Research Council, Chalk River, Ontario K0J 1J0, Canada
6. Department of Chemical & Biomolecular Engineering and Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States