1. From Rigshospitalet, University of Copenhagen, Copenhagen, Denmark, Derriford Hospital, Plymouth, Royal Free Hospital, London, Royal Hallamshire Hospital, Sheffield and AstraZeneca, Macclesfield, United Kingdom, Katholieke Universiteit Leuven, Leuven, Belgium, Tampere University Hospital, Tampere, Finland, and Austin and Repatriation Medical Centre, Melbourne, Australia