1. From the Division of Hematology, Mayo Clinic, Rochester, MN (S.M.A.); the University of Manchester and the Christie NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom (J.R.); BC Cancer Centre for Lymphoid Cancer, Vancouver (J.M.C., K.J.S.); Maria Sklodowska-Curie National Research Institute of Oncology, Krakow (M.D.-D.), and the Department of Experimental Hematology, Medical University of Lodz, Lodz (P.S.) — both in Poland; the Division of Hematology–Oncology,...