On a first order transition in QCD with up, down and strange quarks Xiao-Yu Guo, Yonggoo Heo and Matthias F. M. Lutz Eur. Phys. J. C, 80 3 (2020) 260 Published online: 20 March 2020 DOI: 10.1140/epjc/s10052-020-7818-9