1 Department of Physiotherapy, Inselspital, Bern University Hospital, Bern, Switzerland.
2 Department of Critical Care Medicine, Hospital Israelita Albert Einstein, São Paulo, Brazil.
3 Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia. carol.hodgson@monash.edu.
4 Department of Physiotherapy, Alfred Health, Melbourne, Australia. carol.hodgson@monash.edu.
5 Department of Critical Care, University of Melbourne, Melbourne, VIC, Australia. carol.hodgson@monash.edu.
6 Critical Care Division, The George Institute for Global Health, Sydney, Australia. carol.hodgson@monash.edu.