Built Environments And Child Health in WalEs and AuStralia (BEACHES): a study protocol oleh Lucy J Griffiths, Ronan A Lyons, Stewart G Trost, Alan Watkins, Ben Beck, Gareth Stratton, Sinead Brophy, Hayley Christian, Amy Mizen, Richard Fry, Kevin Murray, James Rafferty, Bridget Beesley, Bryan Boruff, John Duncan, Donna Cross, Rowena Bailey, Jasper Schipperijn, Michael Rosenberg, Peter Gething, Theodora Pouliou, Daniel A Thompson, Rhodri D Johnson, Rebecca Pedrick-Case, Gursimran Dhamrait, Trina Robinson