Behavioural intervention to reduce sexually transmitted infections in people aged 16–24 years in the UK: the safetxt RCT oleh Caroline Free, Melissa J Palmer, Kimberley Potter, Ona L McCarthy, Lauren Jerome, Sima Berendes, Anasztazia Gubijev, Megan Knight, Zahra Jamal, Farandeep Dhaliwal, James R Carpenter, Tim P Morris, Phil Edwards, Rebecca French, Louis Macgregor, Katy ME Turner, Paula Baraitser, Ford CI Hickson, Kaye Wellings, Ian Roberts, Julia V Bailey, Graham Hart, Susan Michie, Tim Clayton, Karen Devries