@inproceedings{Risch:2019lS, author = "Risch, Andreas and Wittig, Hartmut", title = "{Towards leading isospin breaking effects in mesonic masses with open boundaries}", doi = "10.22323/1.334.0059", booktitle = "Proceedings of The 36th Annual International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2018)", year = 2019, volume = "334", pages = "059" }