Superior health-related physical fitness and well-being in 12–15-year-old Danish adolescents who are active in organized leisure-time sports – a cross-sectional study - Christina Birch Meiner; Caroline Eckert; Charlotte Sandager Aggestrup; Kristina Pfeffer; Giampiero Tarantino; Camilla Prisak; Chiara Cimenti; Cecilie Thøgersen-Ntoumani; Nikos Ntoumanis; Peter Krustrup; Malte Nejst Larsen (PLoS ONE, 2025)