1 Department Intensive Care Adults, Erasmus MC University Medical Center, Room H625, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands. jan.bakker@erasmusmc.nl.
2 Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile. jan.bakker@erasmusmc.nl.
3 Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Columbia University Medical Center, New York, USA. jan.bakker@erasmusmc.nl.
4 Université Libre de Bruxelles, Brussels, Belgium.
5 Department of Intensive Care, CHIREC Hospitals, Brussels, Belgium.
6 Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.