[1] Stanford Univ, Med Ctr, Stanford Neurocrit Care Program, Palo Alto, CA 94304 USA
[2] Stanford Univ, Dept Neurol, Palo Alto, CA 94304 USA
[3] Baylor Coll Med, Dept Neurol, Houston, TX 77030 USA
[4] Baylor Coll Med, Div Neurosci, Houston, TX 77030 USA
[5] Univ Calif Los Angeles, Dept Neurol, Los Angeles, CA 90024 USA
[6] Johns Hopkins Univ, Dept Neurol, Baltimore, MD 21218 USA
[7] Harvard Univ, Dept Neurol, Massachusetts Gen Hosp, Boston, MA 02115 USA
[8] UT SW Univ, Dept Neurol, Dallas, TX USA
[9] Univ Penn, Dept Surg, Philadelphia, PA 19104 USA
[10] Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA