About the Authors

Jaideep H. Mehta

Contributed equally to this work with: Jaideep H. Mehta, George W. Williams II

Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

Jaideep.H.Mehta@uth.tmc.edu

Affiliation Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America

George W. Williams II

Contributed equally to this work with: Jaideep H. Mehta, George W. Williams II

Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

Affiliation Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Brian C. Harvey

Roles Formal analysis, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Respiratory Motion, Inc. Waltham, Massachusetts, United States of America

Navneet K. Grewal

Roles Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Anesthesiology, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Edward E. George

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

Affiliation Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, Massachusetts, United States of America

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: JHM owns stock in Respiratory Motion, Inc. BCH was an employee of Respiratory Motion, Inc. at the time the manuscript was written and collaborated with co-authors on data analysis and manuscript preparation. Respiratory Motion, Inc. provided the respiratory volume monitors used for data collection in this Study. This does not alter our adherence to PLOS ONE policies on sharing data and materials.