Funding for this research was provided by:
National Institutes of Health (DP2HD101400)
National Institute of Neurological Disorders and Stroke (K23NS094538, R21NS109627)
James S. McDonnell Foundation
American Academy of Neurology
Received: 2 December 2019
Accepted: 18 April 2020
First Online: 13 August 2020
Conflict of interest
: The authors have no relevant conflicts of interest to disclose.
: All biomarker data reported here were obtained with written informed consent provided by healthy control subjects or by surrogate decision-makers for patients with altered consciousness, as part of a separate Institutional Review Board-approved protocol.