Funding for this research was provided by:
National Institute of Neurological Disorders and Stroke (R01NS040547)
U.S. Department of Veterans Affairs (Award No. A9259-L)
National Institute of Arthritis and Musculoskeletal and Skin Diseases (T32AR00750525)
Article History
Received: 22 October 2014
Accepted: 21 August 2015
First Online: 1 September 2015