Affiliation: | 1. Department of Neurosurgery, Hospital de Especialidades Centro Médico Nacional Siglo XXI, Mexico City, Mexico;2. Universidad Panamericana School of Medicine, Mexico City, Mexico;1. Department of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA;2. Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA |