[1] Case Western Reserve Univ, Dept Neurosurg, Cleveland Clin, Lerner Coll Med, Cleveland, OH 44106 USA
[2] Cleveland Clin, Rosa Ella Burkhardt Brain Tumor Ctr, Cleveland, OH USA
[3] Cleveland Clin, Neurol Inst, Neurooncol Ctr, Cleveland, OH USA
[4] Cleveland Clin, Skull Base Pituitary & Cerebrovasc Surg, CCLCM CWRU, 9500 Euclid Ave,CA 51, Cleveland, OH 44195 USA
[5] Cleveland Clin, Adv Endoscop & Microscop Neurosurg Lab, Neurosurg, CCLCM CWRU, 9500 Euclid Ave,CA 51, Cleveland, OH 44195 USA