Constraints on interacting dark energy models through cosmic chronometers and Gaussian process Muhsin Aljaf, Daniele Gregoris and Martiros Khurshudyan Eur. Phys. J. C, 81 6 (2021) 544 Published online: 24 June 2021 DOI: 10.1140/epjc/s10052-021-09306-2