Establishment and lineage dynamics of the SARS-CoV-2 epidemic in the UK by Du Plessis, L, McCrone, J, Zarebski, A, Hill, V, Ruis, C, Gutierrez, B, Raghwani, J, Asworth, J, Colquhoun, R, Connor, T, Faria, N, Jackson, B, Loman, N, O'Toole, Á, Nicholls, S, Parag, K, Scher, E, Vasylyeva, T, Volz, E, Watts, A, Bogoch, I, Khan, K, Aanensen, D, Kraemer, M, Rambaut, A, Pybus, O