1. Northeast Ohio Medical University, Rootstown, Ohio;
2. Ponce Health Sciences University, Ponce, Puerto Rico;
3. Kansas City University School of Osteopathic Medicine, Kansas City, Missouri;
4. Dell Medical School at The University of Texas at Austin, Texas;
5. Campbell University School of Osteopathic Medicine, Lillington, North Carolina; and
6. Department of Neurological Surgery, NewYork-Presbyterian Hospital/Weill Cornell Medicine, New York, New York