The influence of self-esteem and self-efficacy on doping susceptibility and intention in amateur athletes and exercisers. - Zazueta-Beltrán, Diana Korinna; Morales-Beltrán, Roxana Abril; Cruz-Morales, Karla Noelia; Muñoz-Helú, Hussein; Ríos-Mena, Javier Arturo; Reynoso-Sánchez, Luis Felipe (Frontiers in Sports & Active Living, 2026)