Colchicine in patients admitted to hospital with COVID-19 (RECOVERY): a randomised, controlled, open-label, platform trial by Horby, PW, Campbell, M, Spata, E, Emberson, JR, Staplin, N, Pessoa-Amorim, G, Peto, L, Wiselka, M, Wiffen, L, Tiberi, S, Caplin, B, Wroe, C, Green, C, Hine, P, Prudon, B, George, T, Wight, A, Baillie, JK, Basnyat, B, Buch, MH, Chappell, LC, Day, JN, Faust, SN, Hamers, RL, Jaki, T, Juszczak, E, Jeffery, K, Lim, WS, Montgomery, A, Mumford, A, Rowan, K, Thwaites, G, Mafham, M, Haynes, R, Landray, MJ