1 Division of Pediatric Interventional Radiology, Texas Children's Medical Center, Houston, Texas. Electronic address: SCJosephs2@gmail.com.
2 Division of Interventional Radiology, Stanford University, Stanford, California.
3 Vascular/Interventional Radiology and Neurointerventional Surgery, Beacon Medical Group South Bend, Indiana; Department of Radiology, University of Tennessee Health Science Center, Memphis, Tennessee.