Spectrum of fully-heavy tetraquarks from a diquark+antidiquark perspective M. A. Bedolla, J. Ferretti, C. D. Roberts and E. Santopinto Eur. Phys. J. C, 80 11 (2020) 1004 Published online: 30 October 2020 DOI: 10.1140/epjc/s10052-020-08579-3