1. Department of ICT and Natural Sciences, Cyber-Physical Systems Laboratory, NTNU-Norwegian University of Science and Technology, Ålesund, Norway
2. Department of Engineering Cybernetics, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
3. Department of Mechanical and Industrial Engineering, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Orthopedic Surgery, Ålesund General Hospital, Ålesund, Norway