1. Information Systems Institute at the University of Applied Sciences Western Switzerland (HES-SO Valais), Sierre, Switzerland;
2. Department of Computer, Control, and Management Engineering, University of Rome, Roma, Italy;
3. Robotics and Mechatronics Center of the DLR—German Aerospace Center, Oberpfaffenhofen, Germany;
4. School of Health Sciences, Physiotherapy at the University of Applied Sciences Western Switzerland (HES-SO Valais), Leukerbad, Switzerland;
5. Clinic of Plastic Surgery, Padova University Hospital, Padova, Italy