1. Department Embedded Intelligent Systems, Institute of Information and Communication Technologies, Bulgarian Academy of Sciences, Sofia, Bulgaria
2. Department Orthopaedic and Trauma Clinical Centre, Ministry of Interior, Sofia, Bulgaria
3. Department of Mechatronics, Robotics and Mechanics, Faculty of Mathematics and Informatics, Sofia University ‘St. Kliment Ohridski’, Sofia, Bulgaria
4. Department of Mechatronics, Institute of Mechanics, Bulgarian Academy of Sciences, Sofia, Bulgaria
5. Department of Robotic and Mechatronic Intelligent Systems, Institute of Robotics, Bulgarian Academy of Sciences, Sofia, Bulgaria