@misc{misc, title = {{Challenges in the design, planning and implementation of trials evaluating group interventions}}, url = {{https://eprints.whiterose.ac.uk/153330/ }}, year = {{2019}}, month = {{10}}, author = {{Biggs K and Hind D and Gossage-Worrall R and Sprange K and White D and Wright J and Chatters R and Berry K and Papaioannou D and Bradburn M and Walters SJ et al}}, note = {{Accessed on 2025/05/31}}}