1. University of Florida, College of Medicine, Gainesville, Florida, USA
2. University of Central Florida/Department of Surgery, HCA Florida Ocala Hospital, Ocala, Florida, USA
3. Department of Radiology, HCA Florida Trinity Hospital, Trinity, Florida, USA
4. College of Osteopathic Medicine, Nova Southeastern University, Clearwater, Florida, USA
5. Department of Neurosurgery, University of Florida, Gainesville, Florida, USA