By Igor Paulussen, Philips Research, Eindhoven (NL), Department of Anaesthesiology, Resuscitation and Pain Management, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands, i.paulussen@etz.nl | Gerrit Jan Noordergraaf, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands, g.noordergraaf@gmail.com | Ana Leitão, Philips Research, Eindhoven, (NL), The Netherlands, anajleitao@gmail.com | J.H. van Tuijl, Department of Anaesthesiology, Resuscitation and Pain Management, Elisabeth-TweeSteden Hospital, Tilburg,, The Netherlands | Ben P. W. Jansen, Department of Neurology Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands | Frederick Callebaut, Department of Anaesthesiology, Resuscitation and Pain Management, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands, f.callebaut@etz.nl | Supriyo Chatterjea, Philips Research, Eindhoven (NL), The Netherlands