Practice parameter: diagnostic assessment of the child with status epilepticus (an evidence-based review): report of the Quality Standards Subcommittee of the American Academy of Neurology and the Practice Committee of the Child Neurology Society - Riviello, J J, Jr; Ashwal, S; Hirtz, D; American Academy of Neurology Subcommittee; Practice Committee of the Child Neurology Society (Neurology, 2006)