[1] Jefferson Hospital for Neuroscience,
[2] University of South Alabama College of Medicine,undefined
[3] George Washington School of Medicine,undefined
[4] Allergan plc,undefined
[5] Montefiore Headache Center,undefined
[6] Department of Neurology,undefined
[7] Department of Epidemiology and Population Health,undefined
[8] Albert Einstein College of Medicine,undefined
[9] Headache Center of Southern California,undefined
[10] The Neurology Center,undefined