1. Department of Radiology, Section of Neuroradiology, University of California Davis Medical Center, Sacramento, CA, USA
2. Department of Radiology, Diagnostic and Interventional Radiology Residency, University of California Davis Medical Center, Sacramento, CA, USA
3. School of Medicine, University of California Davis Medical Center, Sacramento, CA, USA
4. Department of Neurological Surgery, University of California Davis Medical Center, Sacramento, CA, USA