Evaluation of a very brief pedometer-based physical activity intervention delivered in NHS Health Checks in England: The VBI randomised controlled trial

Wendy Hardeman, Joanna Mitchell, Sally Pears, Miranda van Emmenis, Florence Theil, Vijay Singh Gc, Joana C Vasconcelos, Kate Westgate, Søren Brage, Marc Suhrcke, Simon J. Griffin, Ann Louise Kinmonth, Edward CF Wilson, A Toby Prevost, Stephen Sutton