Table 1.

Search strategy used for Medline (Ovid version) search.

1	(brain metabolism) or (brain function) or (tissue metabolism) or ([cerebr* adj3 (metabol* or oxygenation or haemodynamic or haemodynamic or volume or blood flow)]) or (near infrared spectroscopy) or (near infrared adj3 spectroscop*) or (exp Spectroscopy, Near-Infrared/) or (NIRS) or (broadband near-infrared spectroscopy) or (broadband NIRS) or (exp Tomography, Optical/) or (exp Optical Imaging/) mp. [mp = title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, organism supplementary concept word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms] Results = 163,109
2	(newborn) or (baby) or (babies) or (infan*) or (neonat*) mp. [mp = title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, organism supplementary concept word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms] Results = 1,614,827
3	(exp Seizures/) or (seizure*) mp. [mp = title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, organism supplementary concept word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms] Results = 160,257
4	1 and 2 and 3 Results = 446
5	Limit 4 to English language Results = 413