[1] Univ Miami, Dept Neurol, Miller Sch Med, Miami, FL 33136 USA
[2] Duke Univ, Dept Med, Div Neurol, Durham, NC USA
[3] SUNY Buffalo, Sch Med & Biomed Sci, Dept Neurol, Buffalo, NY 14260 USA
[4] Univ Rochester, Med Ctr, Dept Biostat & Computat Biol, Rochester, NY 14642 USA
[5] Univ Rochester, Med Ctr, Dept Neurol, Rochester, NY 14642 USA