The Quality in Acute Stroke Care (QASC) global scale-up using a cascading facilitation framework: a qualitative process evaluation oleh Elizabeth McInnes, Simeon Dale, Kathleen Bagot, Kelly Coughlan, Jeremy Grimshaw, Waltraud Pfeilschifter, Dominique A. Cadilhac, Thomas Fischer, Jan van der Merwe, QASC Europe Steering Committee, QASC Europe Implementation Committee, Sandy Middleton