1. Department of Functional Sciences and Center for Rehabilitation Research (CIR), School of Health of Polytechnic Institute of Porto (ESS-P.Porto), Porto, Portugal
2. LABIOMEP: Porto Biomechanics Laboratory, University of Porto, Porto, Portugal
3. School of Health Sciences, University of Aveiro, Aveiro, Portugal
4. Department of Physiotherapy and Center for Rehabilitation Research (CIR), School of Health of Polytechnic Institute of Porto (ESS-P.Porto), Porto, Portugal
5. Department of Electrical and Computer Engineering, Faculty of Engineering of the University of Porto (FEUP), Porto, Portugal
6. Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), Porto, Portugal