Heavy-quark spin-symmetry partners of Zb(10610) and Zb(10650) molecules V. Baru, E. Epelbaum, A. A. Filin, C. Hanhart and A. V. Nefediev EPJ Web Conf., 218 (2019) 08005 Published online: 18 October 2019 DOI: 10.1051/epjconf/201921808005