[1] Hamad Medical Corporation’s (HMC),Neurosurgery Department
[2] University of Dreseden,Department of Head and Neck Surgery
[3] Neurosurgery Unit,Department of Neurosurgery
[4] Garibaldi Hospital,Department of Neurosurgery, Gamma Knife and Trauma Center
[5] University of Sao Paulo,Laboratory of Microsurgical Neuroanatomy, Second Chair of Gross Anatomy, School of Medicine
[6] Cannizzaro Hospital,Division of Neurosurgery
[7] University of Buenos Aires,Department of Medicine
[8] Federal University of Parana,Department of Neurosurgery
[9] Sardar Hospital,Department of Neurosurgery
[10] ISSSTE,undefined
[11] Sher I Kashmir Institute of Medical Sciences,undefined
[12] College of Medical Sciences,undefined