The feasibility of a peer support intervention to encourage adoption and maintenance of a Mediterranean diet in established community groups at increased CVD risk: the TEAM-MED EXTEND study: a pilot cluster randomised controlled trial. - O'Neill RF; McGowan L; McEvoy CT; Wallace SM; Moore SE; McKinley MC; Kee F; Cupples ME; Young IS; Woodside JV (The British journal of nutrition, 2022)