The future SwissFEL facility – challenges from a radiation protection point of view Claudia Strabel, Albert Fuchs, Roman Galev, Eike Hohmann, Roland Lüscher, Elisa Musto and Sabine Mayer EPJ Web Conf., 153 (2017) 07026 Published online: 25 September 2017 DOI: 10.1051/epjconf/201715307026