1. Department of Mechanical Engineering Texas A&M University College Station, Texas 77843
2. Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700 Leoben, Austria
3. Dipartimento di Ingegneria, Università degli studi di Perugia, 06125 Perugia, Italy
4. School of Mathematics, Statistics and Applied Mathematics, NUI Galway, University Road Galway, Ireland