1. Multicentre quantitative 68Ga PET/CT performance harmonization. Daphne M. V. Huizing, Daniëlle Koopman, Jorn A. van Dalen, Martin Gotthardt, Ronald Boellaard, Terez Sera, Michiel Sinaasappel, Marcel P. M. Stokkel, and Berlinda J. de Wit-van der Veencorresponding. EJNMMI Phys. 2019 Dec; 6: 19. Published online 2019 Nov 8. doi: 10.1186/s40658-019-0253-z PMCID: PMC6841905 PMID: 31705215