1. Centre
for Textile Science and Technology (2C2T), University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
2. Institute
for Polymers and Composites/I3N, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal
3. Learning
Research and Development Center, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States