About the Authors

Rebecca Colman

Affiliation Pulmonary hypertension program, Toronto General Hospital, Division of Respirology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Heather Whittingham

Affiliation Department of Critical Care Medicine, Hamilton General Hospital, McMaster University, Hamilton, Ontario, Canada

George Tomlinson

Affiliation Department of Medicine, Mount Sinai Hospital and University Health Network, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

John Granton

John.granton@uhn.ca

Affiliation Pulmonary hypertension program, Toronto General Hospital, Division of Respirology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Competing Interests

No competing interests or conflict of interest relating to this work from any author.

Author Contributions

Conceived and designed the experiments: JG HW RC. Performed the experiments: JG HW RC. Analyzed the data: JG HW RC GT. Contributed reagents/materials/analysis tools: JG HW RC GT. Wrote the paper: JG RC HW GT. Review of studies included in systematic review: JG RC.