ISI Web of Knowledge:TS=(“asthma” OR “wheezing” OR “wheeze” OR “lung function”) AND TS=(“diet” OR “dietary” OR “food pattern”) Limit: Web of Science Categories (Allergy; Immunology; Respiratory System; Nutrition Dietetics; Pediatrics; Medicine General Internal; Public Environmental Occupational Health; Critical Care Medicine) and Document Type (article; proceedings paper; meeting abstract)