[1] Univ Pittsburgh, Med Ctr, Dept Neurosurg, Pittsburgh, PA USA
[2] Neurosci Inst Geisinger Hlth Syst & Geisinger, Commonwealth Sch Med, Wilkes Barre, PA USA
[3] Neurosci Inst Geisinger Hlth Syst & Geisinger, Dept Neurosurg, Wilkes Barre, PA USA
[4] Spect Hlth Med Grp, Dept Neurosurg, Grand Rapids, MI USA
[5] Sandra & Malcolm Berman Brain & Spine Inst, Lifebridge Hlth, Dept Neurosurg, Baltimore, MD USA
[6] Paracelsus Med Univ, Res Inst Neurointervent, Salzburg, Austria
[7] Rochester Reg Hlth, Dept Neurosurg, Rochester, NY USA