1 Department of Clinical Sciences, Division of Neurology, Lund University, Lund, Sweden. Electronic address: tobias.cronberg@skane.se.
2 Department of Clinical Sciences, Division of Clinical Neurophysiology, Lund University, Lund, Sweden. Electronic address: erik.westhall@skane.se.
3 Department of Clinical Sciences, Division of Intensive- and Perioperative Care, Lund University, Lund, Sweden. Electronic address: hans.friberg@skane.se.