1. Department
of Polymer Engineering, University of Akron, Akron, Ohio 44325-0301, United States
2. Interdisciplinary
Biomedical Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, United Kingdom
3. Materials
and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Wright-Patterson Air Force Base, Ohio 45433, United States
4. Department
of Chemical and Process Engineering, University of Strathclyde, 75 Montrose
Street, Glasgow G1 1XJ, United Kingdom