Study design of the international stroke trial (IST), baseline data, and outcome in 984 randomised patients in the pilot study by Hankey, G, Indekeu, P, Waberzinek, G, Majvald, C, Ambler, Z, Crowe, M, Fogelholm, R, Jolma, T, Provinciali, L, Pelonara, S, Ceravolo, MG, Anzola, P, Mangoni, M, Guidotti, M, Migliacci, R, Mollaioli, M, Aimi, M, Conti, G, Corbacelli, C, Gandolfo, C, Conti, M, Croce, R, DelSette, M, Finocchi, C, Sterzi, R