Efficacy of a free-play intervention to increase physical activity during childcare: a randomized controlled trial

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