See Alfred P, Kochis Michael A, Orbach Darren B
Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA.
Neurointerventional Radiology, Boston Children's Hospital, Boston, Massachusetts, USA.
BMJ Case Rep. 2017 Mar 9;2017:bcr2017012982. doi: 10.1136/bcr-2017-012982.