1. Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh,
Pennsylvania 15213, United States
2. Material Science Laboratory, Mitsui Chemicals, Inc., 580-32 Nagaura, Sodegaura,
Chiba 299-0265, Japan
3. Max Planck Institutes for Polymer Research, Ackermannweg 10, Mainz 55128,
Germany
4. Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania
15213, United States