title: Fellowship training in the United States and Europe.
authors.affiliation: Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.
authors.forename: Justin C
authors.initials: JC
authors.lastname: Clark
authors.affiliation: Victor Horsely Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, Queen Square, London, United Kingdom.
authors.forename: Harith
authors.initials: H
authors.lastname: Akram
authors.affiliation: Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA. Electronic address: Neuropub@dignityhealth.org.
authors.forename: Robert F
authors.initials: RF
authors.lastname: Spetzler
mesh_terms: D035843:Biomedical Research / Q000458:organization & administration*; D017598:Efficiency, Organizational / Q000706:statistics & numerical data*; D005257:Fellowships and Scholarships; D009493:Neurosurgery / Q000193:education*
keywords: Academic productivity; Academic promotion; Academic rank; H-index; Neurological surgery; Neurological surgery fellowship training; Neurological surgery fellowships; Scholarly impact; Scholarly productivity