Leading isospin-breaking corrections to meson masses on the lattice Davide Giusti, Vittorio Lubicz, Guido Martinelli, Francesco Sanfilippo, Silvano Simula, Nazario Tantalo and Cecilia Tarantino EPJ Web Conf., 175 (2018) 06002 Published online: 26 March 2018 DOI: 10.1051/epjconf/201817506002