About the Authors

Andrea N. Christoforou

Contributed equally to this work with: Andrea N. Christoforou, Joseph T. Giacino

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Validation, Writing – original draft, Writing – review & editing

Affiliations Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts, United States of America, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, United States of America

Melissa J. Armstrong

Roles Data curation, Formal analysis, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliation Department of Neurology, College of Medicine, University of Florida, Gainesville, Florida, United States of America

Michael J. G. Bergin

Roles Data curation, Formal analysis, Methodology, Project administration, Writing – original draft, Writing – review & editing

Affiliations Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts, United States of America, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, United States of America

Ann Robbins

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

Affiliation Ann Robbins LLC, Bradenton, Florida, United States of America

Shannon A. Merillat

Roles Formal analysis, Resources, Software, Writing – review & editing

Affiliation American Academy of Neurology, Minneapolis, Minnesota, United States of America

Patricia Erwin

Roles Methodology, Resources, Writing – review & editing

Affiliation Mayo Clinic, Rochester, Minnesota, United States of America

Thomas S. D. Getchius

Roles Data curation, Resources, Writing – review & editing

Affiliations American Academy of Neurology, Minneapolis, Minnesota, United States of America, American Heart Association/American College of Cardiology, Dallas, Texas, United States of America

Michael McCrea

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

Affiliation Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America

Amy J. Markowitz

Roles Funding acquisition, Project administration, Writing – review & editing

jgiacino@mgh.harvard.edu (JTG); amymarkowitz@gmail.com (AJM)

Affiliation Brain and Spinal Injury Center, University of California, San Francisco, San Francisco, California, United States of America

Geoffrey T. Manley

Roles Funding acquisition, Project administration, Writing – review & editing

Affiliation Department of Neurosurgery, University of California, San Francisco, San Francisco, California, United States of America

Joseph T. Giacino

Contributed equally to this work with: Andrea N. Christoforou, Joseph T. Giacino

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

jgiacino@mgh.harvard.edu (JTG); amymarkowitz@gmail.com (AJM)

Affiliations Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts, United States of America, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

One author [AR] has a commercial affiliation as she serves as the President of a regulator affairs consulting company (Anne Robbins, LLC). There are no patents, products in development or marketed products to declare. This commercial affiliation does not alter our adherence to PLOS ONE policies on sharing data and materials.