INSIDER WP5 (in situ measurements): developed activities, main results and conclusions Margarita Herranz, Raquel Idoeta, Khalil Amgarou, Frédéric Aspe, Csilla Csöme, Sven Boden and Marielle Crozet EPJ Nuclear Sci. Technol., 6 (2020) 12 Published online: 30 March 2020 DOI: 10.1051/epjn/2019061