Table 2. Literature search strategy for meta-analysis.

#1: food OR food groups OR diet OR dietary intake OR dietary consumption OR dietary factors;

#2: dairy OR milk OR cheese OR butter OR cream;

#3: insulin resistance syndrome OR metabolic syndrome OR syndrome X;

#4: cohort OR prospective OR case-cohort OR case-control OR cross-sectional OR retrospective;

#5: (#1 OR #2) AND #3 AND #4.