Table 2.

Pilot search strategy

Date	Keywords used	Databases searched	No. of publications retrieved	Link
January 16, 2018	Critically ill adults, nutritional therapy guidelines	PubMed	167	(("critical illness"[MeSH Terms] OR ("critical"[All Fields] AND "illness"[All Fields]) OR "critical illness"[All Fields] OR ("critically"[All Fields] AND "ill"[All Fields]) OR "critically ill"[All Fields]) AND ("adult"[MeSH Terms] OR "adult"[All Fields] OR "adults"[All Fields])) AND (("nutritional support"[MeSH Terms] OR ("nutritional"[All Fields] AND "support"[All Fields]) OR "nutritional support"[All Fields] OR ("nutrition"[All Fields] AND "therapy"[All Fields]) OR "nutrition therapy"[All Fields] OR "nutrition therapy"[MeSH Terms] OR ("nutrition"[All Fields] AND "therapy"[All Fields])) AND ("guideline"[Publication Type] OR "guidelines as topic"[MeSH Terms] OR "guidelines"[All Fields]))