Deeply virtual compton scattering at future electron-ion colliders Gang Xie, Wei Kou, Qiang Fu, Zhenyu Ye and Xurong Chen Eur. Phys. J. C, 83 10 (2023) 900 Published online: 06 October 2023 DOI: 10.1140/epjc/s10052-023-12065-x