Effectiveness of booster strategies to promote physical activity maintenance: a systematic review and meta-analysis. - Tarantino, Giampiero; Ntoumanis, Nikos; Neville, Ross; Cimenti, Chiara; Petersen, Anne Poder; Pfeffer, Kristina; Mazéas, Alexandre; Larsen, Malte Nejst; Krustrup, Peter; Thøgersen-Ntoumani, Cecilie (International Journal of Behavioral Nutrition & Physical Activity, 2025)