RT Journal Article SR Electronic T1 Promoting healthy weight in school children: what does the HEIA study teach us about effective interventions? JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 469 OP 469 DO 10.1136/bjsports-2013-092470 VO 47 IS 8 A1 Sigmund A Anderssen YR 2013 UL http://bjsm.bmj.com/content/47/8/469.abstract AB