1. Jacob School of Medicine and Biomedical Sciences, University at Buffalo, New York;
2. Vanderbilt University School of Medicine, Nashville, Tennessee;
3. Kentucky College of Osteopathic Medicine, University of Pikeville, Kentucky;
4. Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;
5. Keck School of Medicine of the University of Southern California, Los Angeles, California;
6. Department of Neurological Surgery, University of California, Irvine, California; and
7. Department of Biomedical Engineering, Johns Hopkins Whiting School of Engineering, Baltimore, Maryland