1. Soft Tissue Biomechanics and Engineering, Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands; SyMO-Chem BV, PO Box 513, 5600 MB Eindhoven, The Netherlands; Polymer Technology, Mechanical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands; and SupraPolix BV, Horsten 1, 5612 AX Eindhoven, The Netherlands