1. Faculty of Civil and Environmental Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel and Centre for Micro-Photonics, Swinburne University of Technology, PO Box 218, Hawthorn, 3122, Victoria, Australia
2. Medical Engineering Division, Department of Engineering and IRC in Biomedical Materials, Queen Mary University of London, London, UK
3. Faculty of Civil and Environmental Engineering and Department of Biomedical Engineering, Technion-Israel-Institute of Technology, Haifa 32000, Israel