Affiliation: | 1. Biomaterials and Biomechanics Specialized Research Institute , Riga Technical University , Kalku iela 1, 1658, Riga, LV, Latvia knets@acad.latnet.lv;3. Biomaterials and Biomechanics Specialized Research Institute , Riga Technical University , Kalku iela 1, 1658, Riga, LV, Latvia;4. Biomechanics Research Unit , Cardiff Medicentre , Health Park, CF14 4UJ, Cardiff, Wales, UK |