Challenging the principle of "No presumption of advantage" with a focus on testosterone and gender eligibility in sports. - Atherton, Philip J.; Hu, Ke; Jones-Freeman, Bernadette; Cheung, Ada S.; Costa, Ricardo J. S.; Eynon, Nir; Seto, Jane T.; Moesgaard, Lukas; Hostrup, Morten; Lima, Giscard; Pitsiladis, Yannis (Frontiers in Sports & Active Living, 2026)