title: Authors' reply.
authors: Harvard Medical School, Boston, Massachusetts.
authors: Brian L
authors: BL
authors: Edlow
authors: Hannah C
authors: HC
authors: Kinney
authors: Rebecca
authors: R
authors: Folkerth
mesh_terms: D001143:Arousal; D001933:Brain Stem / Q000473:pathology*; D020207:Coma, Post-Head Injury / Q000175:diagnosis* / Q000503:physiopathology*; D005260:Female; D006801:Humans