L. Frankfurt, M. Strikman, A. Larionov, A. Lehrach, R. Maier, H. van Hees, C. Spieles, V. Vovchenko, and H. Stoecker. (2019)cite arxiv:1908.02346Comment: 36 pages, 5 figures, Comments: 36 pages, 5 figures. An expanded version of arXiv:1808.09550 (which will appear in the memorial volume for Walter Greiner of the Springer-Nature FIAS Interdisciplinary Science series). This version prepared for Eur. Phys. Jour. A.