From the South East Scotland School of Anaesthesia, NHS Lothian, Edinburgh UK (NWW, ELD, ECP), Department of Anesthesia and Intensive Care unit, Regional University Hospital of Montpellier, St-Eloi Hospital, University of Montpellier, PhyMedExp, Université de Montpellier, Inserm, CNRS, CHRU de Montpellier, Montpellier, France (ADJ), Department of Anesthesiology, Lausanne University Hospital, Switzerland (PS), Department of Anesthesiology and Pain Medicine, Juntendo University, Faculty of Medicine, Graduate School of Medicine, Japan (IK), Department of Anesthesia, Critical Care and Pain Medicine, Central Hospital of the Military Police of Rio de Janeiro, Rio de Janeiro, Brazil (MP), Hospital Clínic de Barcelona, Spain (JZ), Edinburgh Clinical Research Facility, University of Edinburgh, Western General Hospital, Crewe Road South, Edinburgh, UK (CG), Western General and St Johns Hospitals, NHS Lothian, Edinburgh UK (AFMN)

Correspondence to Alistair F. McNarry, MA, MB BChir, FRCA, Department of Anaesthesia, Western General Hospital, Crewe Road South, NHS Lothian, Edinburgh, UK EH4 2XU. Tel: +44 777 88 15 14 0; e-mail: [email protected]

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