Impact of scheduling multiple free-play periods in childcare on child moderate-to-vigorous physical activity: a cluster randomised trial

- Abdul Razak, Lubna; Yoong, Sze Lin; Wolfenden, Luke; Wiggers, John; Morgan, Philip J.; Jones, Jannah; Finch, Meghan; Sutherland, Rachel; Lecathelinais, Christophe; Gillham, Karen; Clinton-McHarg, Tara