Susceptibilities and the critical band of crossover region in the QCD phase diagram Shu-Sheng Xu, Pei-Lin Yin and Hong-Shi Zong Eur. Phys. J. C, 79 5 (2019) 399 Published online: 10 May 2019 DOI: 10.1140/epjc/s10052-019-6915-0