1. Department
of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106-7202, United States
2. Piezotech
S.A.S, Arkema-CRRA, Rue Henri Moissan, 69493 Pierre-Benite, Cedex, France
3. Department
of Materials Science and Engineering, Stony Brook University, Stony
Brook, New York 11794-2275, United States