[1] Univ Southern Calif, Dept Neurol, Los Angeles, CA 90007 USA
[2] LAC USC Med Ctr, Dept Neurol, Los Angeles, CA USA
[3] Washington Univ, Dept Neurol, St Louis, MO 63110 USA
[4] Icahn Sch Med Mt Sinai, Dept Neurol, New York, NY 10029 USA
[5] Univ Calif Los Angeles, VA Greater Los Angeles Healthcare Syst, Dept Neurol, Los Angeles, CA USA
[6] Univ Calif Los Angeles, VA Greater Los Angeles Healthcare Syst, Dept Med, Los Angeles, CA USA
[7] Rancho Los Amigos Natl Rehabil Ctr, Dept Neurol, Downey, CA USA
[8] Harbor UCLA Med Ctr, Dept Neurol, Torrance, CA 90509 USA
[9] Olive View UCLA Med Ctr, Dept Neurol, 14445 Olive View Dr, Sylmar, CA 91342 USA
[10] Olive View UCLA Med Ctr, Dept Med, 14445 Olive View Dr, Sylmar, CA 91342 USA
[11] Watts Labor Community Act Comm, Los Angeles, CA USA
[12] Univ Maryland, Dept Neurol, Baltimore, MD 21201 USA
[13] Kaiser Permanente, Dept Neurol, Irvine, CA USA
[14] Cedars Sinai Med Ctr, Dept Neurol, Los Angeles, CA 90048 USA