1. Department
of Physics, University of Massachusetts, 411 Hasbrouck Laboratory, North
Pleasant Street, Amherst, MA 01003
2. Department
of Chemistry, University of Massachusetts, 104 Lederle Graduate Research Tower,
North Pleasant Street, Amherst, MA 01003
3. Department
of Polymer Science and Engineering, University of Massachusetts, Silvio
O. Conte National Center for Polymer Research, 120 Governors Drive, Amherst, MA 01003