Funding for this research was provided by:
National Institute of Biomedical Imaging and Bioengineering (R01 EB001889)
U.S. Department of Veterans Affairs (I01 RX00133401, I01 RX001039)
National Institute of Neurological Disorders and Stroke (N01-NS-5-2365, N01-NS-1-2333)
Received: 20 March 2017
Accepted: 28 June 2017
First Online: 11 July 2017
Ethics approval and consent to participate
: The Institutional Review Boards (IRB) of the MetroHealth Medical Center and/or the Louis Stokes Cleveland Department of Veterans Affairs Medical Center approved each study and the subjects provided consent prior to participation. All studies were conducted under a Food and Drug Administration (FDA) Investigational Device Exemption.
: The subjects provided consent prior to participation.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.