Erwin J O Kompanje1, Yorick J de Groot2. 1. Department of Intensive Care, Department of Philosophy and Ethics of Medicine, Erasmus MC University Medical Center, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands. e.j.o.kompanje@erasmusmc.nl. 2. Division of Anaesthesiology, Intensive Care and Emergency Medicine, University Medical Center Utrecht, PO Box 85500, Mail Stop F.06.149, 3508 GA, Utrecht, The Netherlands. y.j.degroot-5@umcutrecht.nl.