Heavy neutral lepton corrections to SM boson decays: lepton flavour universality violation in low-scale seesaw realisationsA. Abada, J. Kriewald, E. Pinsard, S. Rosauro-Alcaraz and A. M. TeixeiraEur. Phys. J. C, 84 2 (2024) 149DOI: https://doi.org/10.1140/epjc/s10052-023-12364-3