1 Department of Neurosurgery, College of Medicine, College of Public Health, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma, USA.
2 Department of Neurology, College of Medicine, College of Public Health, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma, USA.
3 Department of Electrical Engineering, University of Oklahoma, Norman, Oklahoma, USA.
4 Department of Biostatistics and Epidemiology, College of Public Health, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma, USA.
5 Department of Neurology, College of Medicine, College of Public Health, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma, USA. Electronic address: Bappaditya.Ray@utsouthwestern.edu.