Gobbetti, Enrico; MIRALab, University of Geneva-Switzerland-coordinator; Istituti Ortopedici Rizzoli-Italy-contractor; University College London-United Kingdom-contractor; INRIA-France-contractor; STAR Lab, Vrije Universiteit Brussel-Belgium-contractor; Center for Sensory-Motor Interaction, Aalborg University-Denmark-contractor; VRLab, EPFL-Switzerland-contractor; CRS4-Italy-contractor