1. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
2. Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
3. Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA.
4. Department of Pediatrics, Aflac Cancer and Blood, Emory University School of Medicine, Atlanta, GA, USA.
5. Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA.