Structural basis of broad SARS-CoV-2 cross-neutralization by affinity-matured public antibodies by Sheward, DJ, Pushparaj, P, Das, H, Greaney, AJ, Kim, C, Kim, S, Hanke, L, Hyllner, E, Dyrdak, R, Lee, J, Dopico, XC, Dosenovic, P, Peacock, TP, McInerney, GM, Albert, J, Corcoran, M, Bloom, JD, Murrell, B, Karlsson Hedestam, GB, Hällberg, BM