Strategies to improve the implementation of healthy eating, physical activity and obesity prevention policies, practices or programmes within childcare services (protocol)

- Wolfenden, Luke; Jones, Jannah; Small, Tameka; Welch, Vivian; Booth, Debbie; Yoong, Sze Lin; Williams, Christopher M.; Finch, Meghan; Wyse, Rebecca J.; Kingsland, Melanie; Tzelepis, Flora; Wiggers, John; Williams, Amanda J.; Seward, Kirsty