1 Departamento de Ingeniería Mecánica, Energética y de los Materiales, Escuela de Ingenierías Industriales, Universidad de Extremadura, Badajoz, Spain.
2 Programa de Engenharia Biomédica, COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
3 Biomechanical Engineering Lab, Department of Mechanical Engineering, Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain.
4 Health Technologies and Innovation, Institut de Recerca Sant Joan de Déu, Esplugues de Llobregat, Spain.
5 Department of Biomechanical Engineering, University of Twente, Enschede, Netherlands.