@inproceedings{Frezzotti:201729, author = "Frezzotti, Roberto and Rossi, Giancarlo and Tantalo, Nazario", title = "{Sea quark QED effects and twisted mass fermions}", doi = "10.22323/1.256.0320", booktitle = "Proceedings of 34th annual International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2016)", year = 2017, volume = "256", pages = "320" }