About the Authors
Departments of Critical Care Medicine and Anesthesia, Hospital for Sick Children, Toronto, Canada
Program in Physiology and Experimental Medicine, The Research Institute, Hospital for Sick Children, Toronto, Canada
Departments of Anesthesia, Medicine & Physiology, University of Toronto, Toronto, Canada
The author has declared that no competing interests exist.
ICMJE criteria for authorship read and met: BPK. Wrote the first draft of the paper: BPK.