Funding for this research was provided by:
Division of Mathematical Sciences (DMS-102294, DMS-1148230)
National Institute of Neurological Disorders and Stroke (R01 NS078331)
Article History
Received: 29 November 2016
Revised: 14 February 2017
Accepted: 9 March 2017
First Online: 28 March 2017
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest