1. Department of Information and Communications Engineering, Aalto University, Espoo, Finland
2. Department of Rehabilitation, Riga Stradins University, Riga, Latvia
3. Department of Anesthesia and Intensive Care, University of Turku, Turku, Finland
4. Department of Nursing Science, University of Turku, Turku, Finland
5. Department of Perioperative Services, Intensive Care Medicine and Pain Management, Turku University Hospital, Turku, Finland