A model-independent test of the evolution of gas depletion factor for SPT-SZ and Planck ESZ clusters Kamal Bora and Shantanu Desai Eur. Phys. J. C, 81 4 (2021) 296 Published online: 08 April 2021 DOI: 10.1140/epjc/s10052-021-09099-4