[1] Ochsner Hlth Syst, Div Movement Disorders, 1514 Jefferson Highway, New Orleans, LA 70121 USA
[2] Univ Louisville, Dept Neurol, 220 Abraham FlexnerWay,Suite 606, Louisville, KY 40202 USA
[3] Bellarmine Univ, 2001 Newburg Rd,Miles Hall 301, Louisville, KY 40205 USA
[4] Univ Minnesota, Dept Neurosurg & Neurol, 420 Delaware St SE,MMC 96, Minneapolis, MN 55455 USA
[5] Univ Mississippi, Turner Ctr 229, Oxford, MS 38677 USA