Evidence from recent systematic reviews.

ADHD, attention deficit hyperactivity disorder; ALL, acute lymphoblastic leukaemia; EASI, the Eczema Area and Severity Index; FLG, filaggrin; HDM, house dust mites; IVIG, intravenous immunoglobulin; POEM, the Patient Oriented Eczema Measure; SCORAD, SCORing Atopic Dermatitis; TCS, topical corticosteroid; TGF, transforming growth factor, * between August 2010 and December 2011, ** updated on 16th January 2013. ✓; probably effective based on systematic review evidence. ?; not clear, or limited evidence to recommendation. X; unlikely to be effective based on systematic review evidence.