Viner Russell M, Ross David, Hardy Rebecca, Kuh Diana, Power Christine, Johnson Anne, Wellings Kaye, McCambridge Jim, Cole Tim J, Kelly Yvonne, Batty G David
UCL Institute of Child Health, London, UK.
London School of Hygiene & Tropical Medicine, London, UK.
J Epidemiol Community Health. 2015 Aug;69(8):719-20. doi: 10.1136/jech-2014-205300. Epub 2015 Feb 2.