[1] Harvard Med Sch, Boston Childrens Hosp, Div Epilepsy & Clin Neurophysiol, Dept Neurol, Boston, MA USA
[2] Wake Forest Med Sch, Dept Neurol, Wake Forest Baptist Hlth, Winston Salem, NC USA
[3] MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[4] Harvard Med Sch, Boston Childrens Hosp, Dept Emergency Med, Boston, MA USA