| Affiliation: | (1) Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, HUS, PO Box 340, 00029 Helsinki, Finland;(2) Department of Clinical Neurophysiology, Helsinki University Hospital, Helsinki, Finland;(3) Department of Anesthesia and Intensive Care Medicine, Helsinki University Hospital, Jorvi Hospital, Espoo, Finland;(4) Department of Anesthesia, Tampere University Hospital and Medical School, University of Tampere, Tampere, Finland;(5) Department of Anesthesiology and Intensive Care Medicine, Helsinki University Hospital, Surgical Hospital, Helsinki, Finland;(6) VTT Technical Research Centre of Finland, Tampere, Finland |
