Light-by-light forward scattering amplitudes in Lattice QCD Antoine Gérardin, Jeremy Green, Oleksii Gryniuk, Georg von Hippel, Harvey B. Meyer, Vladimir Pascalutsa and Hartmut Wittig EPJ Web Conf., 175 (2018) 06030 Published online: 26 March 2018 DOI: 10.1051/epjconf/201817506030