The authors reply

Affiliations

• ¹ Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA.
• ² Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON, Canada.
• ³ Austin Health, Melbourne, VIC, Australia.
• ⁴ Beth Israel Deaconess Medical Center, Boston, MA.
• ⁵ Department of Intensive Care and Hyperbaric Medicine, Alfred Hospital, Melbourne, VIC, Australia.
• ⁶ Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Alfred Hospital, Melbourne, VIC, Australia.
• ⁷ Centre for Outcome and Resource Evaluation, Australian and New Zealand Intensive Care Society, Melbourne, VIC, Australia.
• ⁸ Medical Device Innovation Consortium, Arlington, VA.