1 Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 10, 3010, Bern, Switzerland. bjoern.zante@insel.ch.
2 Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 10, 3010, Bern, Switzerland.
3 Critical Care Service, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, USA.
4 Palliative Medicine Service, Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, USA.
5 Division of Pediatric Critical Care, Columbia University College of Physician and Surgeons, 3959 Broadway, CHN 10-24, New York, NY, 10032, USA.